Calculate: (9 x ^ 2-7) (4 x)

Expression: $$( 9 x ^ { 2 } - 7 ) ( 4 x )$$

Use the distributive property to multiply $9x^{2}-7$ by $4$.

$$\left(36x^{2}-28\right)x$$

Use the distributive property to multiply $36x^{2}-28$ by $x$.

$$36x^{3}-28x$$