Question

(ii) 4x3 – 5x2 - 6x + 7 when x = 3

Answer 1

Answer:

At X= 3

the equation is 4x³-5x²-6x+7

at x=3,

= 4(3)³-5(3)²-6(3)+7

= 4(27)-5(9)-18+7

= 108-45-18+7

= 52.

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Teacher.

Answer 2

Plug in 3 for x.

$4(3)^{3}-5(3)^{2}-6(3)+7$

after you solve this, you then get:

52

So, the answer is:

52