Question

In the expansion of $(5x-3)(x+2{)}^2$ ; find the constant term .

• A. 8
• B. -12
• C. 5
• D. 17

Answer 1

The correct option is B -12

$(5x-3)(x+2{)}^2=(5x-3\left)\right(x^2+4x+4)$

$5x^3+20x^2+20x-3x^2-12x-12$

$5x^3+17x^2+8x-12$

$\therefore$ Constant term = -12