Question

. f(x) = 2x³- 9x² + x + 12,(x) = 3 - 2x​

Answer 1

Correct question:

Divide f(x) = 2x³- 9x² + x + 12 by g(x) = 3 - 2x

Solution:

g(x) = 0

3 - 2x = 0

x = 3/2

f(x) = 2x³- 9x² + x + 12

f(3/2) = 2(3/2)³- 9(3/2)² + (3/2) + 12

= 3/4 - 81/4 + 3/2 + 12

= (3 - 81 + 6 + 48)/4

= -24/4

= -6

Answer 2

Solutions:

f(x) = 0

3 - 2x = 0

x = 3/2

f(x) = 2x³ - 9x² + x + 12

= 2(3/2)³ - 9(3/2)² + 3/2 + 12

= 3/4 - 81/4 + 3/2 + 12

= (3 - 81 + 6 + 48) / 4

= -24/6

= -6

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