Question

if (a-2x+5x^2) is divided by (x-2) the remainder is 7. find the value of a

Answer 1

x-2 = 0

x = 2

f(x) = a - 2x + 5x^2

f(2) = a - 2(2) + 5(2)^2

7 = a - 4 + 20

7 = a + 16

a = 7 - 16

a = -9

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Answer 2

Answer:

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