Question

if X + 2 is a factor of x ^2 - 3a X + 3a - 7 then what is the value of "a?"

Answer 1

Hiii friend,

(X+2) is a factor of the given polynomial.

(X+2) = 0

X = -2

P(X) = X²-3AX+3A-7

P(-2) = (-2)² - 3 × A × -2 + 3A - 7


=> 4 +6A + 3A -7 = 0

=> 9A -3 = 0

=> 9A = 3

=> A = 3/9 = 1/3

Hence,

A = 1/3



HOPE IT WILL HELP YOU..... :-)

Answer 2

Hello friend

Good afternoon

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Your answer is given in the attachment

I hope it will help you

Thanks

Have a great day

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