Question

3) What is the value of polynomial 4x²+ 7x2 +X-2 ,when X = -1 ?​

Answer 1

Answer:

X=-8

Step-by-step explanation:

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Answer 2

${4x}^{2} + {7x}^{2} + x - 2 \\ {11x}^{2} + x - 2 \\ substituting \: the \: vlaue \: of \: x \: (ie. - 1) \\ \\ {(11 (- 1))}^{2} + ( - 1) - 2 \\ { - 11}^{2} - 1 - 2 \\ - 121 - 3 \\ - 124$

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