find the coefficient of x² and x in the product (x-5)(x+3)(x+7)
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Step-by-step explanation:
Answered by
0
Answer:
x^2=5
x=29
Step-by-step explanation:
x(x+3)-5(x+3)(x+7)
x^2+3x-5x-15(x+7)
x^2-2x-15(x+7)
x^2(x+7)-2x(x+7)-15(x+7)
x^3+7x^2-2x^2-14x-15x-105
x^3+5x^2-29x-105
coefficient of x^2=5
and x=29
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