Question

From the sum of (4 + 3x) and (5 – 4x + 2x 2 ), subtract the sum of (3x 2 – 5x) and -x 2 + 2x + 5.​

Answer 1

Step-by-step explanation:

$(4 + 3x) \\ - (6 - 5x) \\ - 2 - 2x = 0 \\ - 2x = 2 \\ x = \frac{2}{ - 2} \\ x = - 1$