Question

7x2 + 4x - x2 whats the answer?!?

Answer 1

14 + 2x I think

Explanation:

Wait for more responses if needed

Answer 2

`{6x}^(2) + 4x`

Explanation:

1) Collect like terms.

`(7 {x}^(2) - {x}^(2) ) + 4x`

2) Simplify.

`{6x}^(2) + 4x`

Therefor, the answer is 6x² + 4x.