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(5x+4)(9x+9)

FOIL

First (5x*9x=45x**2)

Outside (5x*9=45x)

Inside (4*9x=36x)

Last (4*9=36)

45x**2+45x+36x+36

45x**2+81x+36

9(5x**2+9x+4x)

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βˆ™ 2010-08-01 11:57:05
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

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Q: What is the trinomial for 5x plus 4 9x plus 9?
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