Question

when ax²+7x+12 is divided by x-3 the remainder is 51 then find a​

Answer 1

Answer:

x-3=0

x=3

ax²+7x+12

putting value of x

a(3)²+7(3)+12=51 ( as remainder is 51 )

9a+21+12=51

9a+33=51

9a=51-33

9a=18

a=18/9

a=2

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