Question

5x – 2x2 – 8, 8x2

– 7x - 9​

Answer 1

Answer:

5x – 2x2 – 8= -28 . 8x2-7×-9=79

Answer 2

• Answer :

-2x+6$x^{2$-17

• Step-by-step explanation:

⇒(5x-2 $x^{2}$ -8) + (8 $x^{2}$-7x-9)

⇒5x-2$x^{2}$-8+8

⇒5x-7x-2$x^{2}$+8$x^{2}$-8-9

⇒ANSWER ≈ -2x+6$x^{2}$-17