Question

$4x {}^{3 } - 5x {}^{2} - 6x + 7 \: whenx = 2 \: find \: \: the \: \: value$
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Answer 1

Step-by-step explanation:

hey mate..

apne niche likha ki 2 find the value..

but find to hum x ki value krenge...

Answer 2

Step-by-step explanation:

$4x {}^{3} - 5x {}^{2} - 6x + 7 \\ and \: x = 2 \\ put \: value = 4 \times 8 - 5 \times 4 - 6 \times 2 + 7 \\ = 32 - 20 - 12 + 7 \\ = 7$