Question

If x-1 is a factor of x^2+3ax-2a then find value of a

Answer 1

Answer:

$( { 1)}^{2} + 3a( 1) - 2a = 0 \\ 1 + 3a - 2a = 0 \\ 1 +a = 0 \\ a =-1 \: \: \: \: answer$

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