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Find the product of (x-4) (x+5)
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Find the product of (x-4) (x+5)
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Jun 6, 2018
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Find the product of (x-4) (x+5)
Mathematics
high-school
Tapan Hegde
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Tapan Hegde
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(x-4)(x+5)
x^2+5x-4x-20 (Step one: FOIL)
x^2+x-20 (Step two: Combine like terms)
Matt Bodily
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Jun 7, 2018
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Matt Bodily
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You have to use the distributive property:
(x*x)+(x*5)+(-4*x)+(-4*5)
x^2+5x-4x-20
x^2+x-20
Jamie Czuy
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Jun 13, 2018
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Jamie Czuy
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