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melisa1 [442]
3 years ago
6

Which is a solution to (x − 2)(x + 10) = 13?

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
3 0
You'll need to expand <span>(x − 2)(x + 10) first,

</span><span>(x − 2)(x + 10) = 13
</span>x^2+8 x-20=13
x^2+8 x+16=49
(x+4)^2=49
x+4= \pm 7
x=3 , x=-11
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