Question

Solve the following
(x+3)(x-2x-1)​

Answer 1

Please refer to the attachment.

Answer 2

⟼ (x+3)(x-2x-1)

⟼ x²-2x²-x+3x-6x-3

⟼ -x²-x-3x-3

⟼ -x²-4x-3

⟼ -(x²+4x+3)

⟼ -(x²+x+3x+3)

⟼ -( x(x+1)+3(x+1))

⟼ -((x+3)(x+1)

∴ -(x+3)(x+1)