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4 votes
Factor of x squared+4x-45

User Sifat Amin
by
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1 Answer

7 votes
x^2 + 4x -45

-45 = 9 * (-5)
4 = 9 + (-5)

so
x^2 + 4x - 45 = (x + 9)(x - 5)

answer
(x + 9)(x - 5)

User EranG
by
8.5k points

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