Question

factorize 6x²-x-1 OR what is the value of k if x+1 is the factor of x² + 8x +k​

Answer 1

Step-by-step explanation:

x + 1 = 0

x = -1

Let p ( x ) = x² + 8x + k

p ( -1 ) = ( -1 )² + 8 ( -1 ) + k

0 = 1 - 8 + k

0 = -7 + k

k = 7

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