Please help me! Given (x+a)(x+b) = x^2+x-12, what is the value of a^2+b^2
1 answer:
(x + 4) (x - 3)
a = 4
b = -3
a^2 + b^2 = ...
= 4^2 + (-3)^2
= 16 + 9
= 25
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