What is the factored form of 8 x squared plus 12 x ?

The greatest common factor of 8x² and 12x is 4x. Factoring it out gives 8x² + 12x = 4x(2x + 3), since multiplying back gives 8x² + 12x. So the correct choice is 4x(2x + 3).

AI-written and checked against the verified answer.