Question

Perform the operation. (4x^2+9x-7)-(-7x^2+5x-1)

Answer 1

Answer:

11x^2+4x-6

Step-by-step explanation:

$4x^2+9x-7+7x^2-5x+1\\\\simplify: 11x^2+4x-6$

Answer 2

$(4 {x}^{2} + 9x - 7) - ( - 7 {x}^{2} + 5x - 1) \\ = (11 {x}^{2} + 4x - 6)$