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Factor of x squared+4x-45

Factor of x squared+4x-45
asked 187k views
4 votes
Factor of x squared+4x-45

asked
User Sifat Amin
by
8.4k points

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)

answered
User EranG
by
8.5k points
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