Question

the polynomial 2x³-kx² + 7x-1 then find the value of k​

Answer 1

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2x³-kx² + 7x-1 =0

2(1)³-k(1)² + 7(1)-1 =0

2-k+7-1=0

-k+8=0

k=8

Value of k is 8

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Answer 2

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2x³-kx² + 7x-1 =0

2(1)³-k(1)² + 7(1)-1 =0

2-k+7-1=0

-k+8=0

k=8