Question

Evaluate the expression for the given value of variable5(4x + 1)2 - 2x; x=4

Answer 1

5 (4x + 1) ^2 - 2x

5 (16x^2 + 8x + 1) - 2x

80x^2 +40x +5 - 2x

80x^2 + 38x + 5

Substitute, x = 4

80(4^2) + 38(4) + 5

80(16) + 152 +5

1437

Thus, the answer is 1437.