. Evaluate, after simplification.
a. 14x^2 (x + y - 2xy) for x = -1, y = 2
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Answer:
= 14x³+14x²y-28x³y
= 14x(-1 )³+14* (-1)²*2-28*(-1)³*2
= -14+28+56
= -14+84
= 70
I hope that will help you. best of luck .
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