Question

What is the Value of the polynomial 4x³+7x²+x-2when x=1?​

Answer 1

Answer:

4(1)³+7(1)²+1-2

4+7-1

11-1

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Answer 2

$4x^3+7x^2+x-2$

$=4\cdot 1^3+7\cdot 1^2+1-2$

$=4\cdot \:1+7\cdot \:1^2+1-2$

$=4\cdot \:1+7\cdot \:1+1-2$

$=4+7\cdot \:1+1-2$

$=4+7+1-2$

$=10$