3 years ago

Factor completely: X2-7x-30

Mathematics

2 answers:

vovikov84 [41]3 years ago

8 0

X²-7x-30

=(x-10)(x+3)

Therefore, x=10 and x=-3.

Sati [7]3 years ago

6 0

$x^2-7x-30=\\
x^2-10x+3x-30=\\
x(x-10)+3(x-10)=\\
(x+3)(x-10)$

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