Question

a) 4x (2x+1)x. b) (3x-2) (2x+3)

Answer 1

a) \(4x\left(2x+1\right)x\)

\(=4x^2\left(2x+1\right)\)

\(=8x^3+4x^2\)

b) \(\left(3x-2\right)\left(2x+3\right)\)

\(=6x^2+9x-4x-6\)

\(=6x^2+5x-6\)