Question

(vi) 5 + 4x³ - 4x + 2a when x = 3 and a = 5.​

Answer 1

Answer:

Given: x = 3 , a = 5

Substitute the values,

$5 + 4 {x}^{3} - 4x + 2a \\ 5 + 4(3) {}^{3} - 4(3) + 2(5) \\ 5 + 108 - 12 + 10 \\ 113 - 22 \\ 91$