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miss Akunina [59]
3 years ago
10

Complete the equivalent equation for -7x-60=x^2+10x (x+ )(x+ )=0

Mathematics
1 answer:
Mariulka [41]3 years ago
6 0
We have that
-7x-60=x²<span>+10x
</span>x²+10x+7x=-60
x²+17x=-60
(x²+17x+8.5²)=-60+8.5²
(x+8.5)²=12.25
(+/-)(x+8.5)=√12.25--------> (+/-)(x+8.5)=3.5
(+)(x+8.5)=3.5------> x=-5
(-)(x+8.5)=3.5------> x=-12

therefore
(x+5)*(x+12) is equivalent to -------> -7x-60=x²+10x  

the answer is
(x+5)*(x+12)

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