Algebra 1A Box Factoring – Remove GCF or acb Method 2x 2 + 10x + 8 x2x2 4.
Algebra 1A
description
Transcript of Algebra 1A
Izydorczak 2014
Algebra 1A
Box Factoring – Remove GCFor
acb Method
2x2 + 10x + 8
x2
4
Izydorczak 2014
Box Factoring
2x2 + 10x + 8
Solve by using the Box Factoring Method
Izydorczak 2014
Box Factoring
2x2 + 10x + 8
Solve by using the Box Factoring Method
Can I reduce the polynomial first?
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Box Factoring
2x2 + 10x + 8
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Box Factoring
2x2 +10x + 8
1 2 1 10 1 8
2 5 2 4
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Box Factoring
2x2 +10x + 8
1 2 1 10 1 8
2 5 2 4
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Box Factoring
2x2 +10x + 8
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Box Factoring
2x2 +10x + 82 2 2
x2 +5x + 4
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Box Factoring
2x2 +10x + 82 2 2
(x2 +5x + 4)2
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Box Factoring
x2 +5x + 4
x2
4
or acb Method
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Box Factoring
x2
4
a c
x2 4
4x2
x2 +5x + 4
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Box Factoring
x2
4
a c
x2 4
4x2
x2 +5x + 4
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Box Factoring
x2
4
4x2 +5x
x2 +5x + 4
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Box Factoring
x2
4
4x2x2 +5x + 4 +5x
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Box Factoring
x2
4
4x2
4x 1x
2x 2x
-4x -1x
-2x -2x
x2 +5x + 4 +5x
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Box Factoring
x2
4
4x2
4x 1x
2x 2x
-4x -1x
-2x -2x
x2 +5x + 4 +5x
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Box Factoring
x2
4
4x2
4x 1x
2x 2x
-4x -1x
-2x -2x
x2 +5x + 4 +5x
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Box Factoring
x2
4
4x2
4x 1x
x2 +5x + 4 +5x
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Box Factoring
x2
4
4x2
4x 1x
1x
4x
x2 +5x + 4 +5x
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Box Factoring
x2
41x
4x
x2 +5x + 4
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Box Factoring
x2
41x
4x
x2 +5x + 4
Izydorczak 2014
Box Factoring
x2
41x
4x
x2 +5x + 4
Izydorczak 2014
Box Factoring
x2
41x
4x
x2 +5x + 4
Izydorczak 2014
Box Factoring
x2
41x
4x
x2 +5x + 4
Izydorczak 2014
Box Factoring
x2
41x
4x
x2 +5x + 4
Izydorczak 2014
Box Factoring
x2 +5x + 4
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Box Factoring
2x2 +10x + 82 2 2
(x2 +5x + 4)2
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Box Factoring
2x2 +10x + 82 2 2
(x2 +5x + 4)2
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Box Factoring
x2 +5x + 4
Need to add the 2 in front of the polynomial
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Box Factoringor
acb Method
3x2 + 15x + 18
Try one on your own
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Box Factoringor
acb Method
3x2 + 15x + 18
Answer
= 3(x+2) (x+3)