Question

r. Add: 5x2 + 7y - 8, 4y + 7 - 2x2 and 6 - 5y + 4x2.
the first resand name​

Answer 1

Answer: 7x^2-8y+5

Step-by-step explanation:

Answer 2

Answer:

20-2y+7

Step-by-step explanation:

10+7y-8

10+7y-84-4y+7

10+7y-84-4y+76-5y+8 =20-2y+7