Please help me! Given (x+a)(x+b) = x^2+x-12, what is the value of a^2+b^2

1 answer:

Sonja [21]3 years ago

4 0

(x + 4) (x - 3)
a = 4
b = -3

a^2 + b^2 = ...
= 4^2 + (-3)^2
= 16 + 9
= 25

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