Answer:
2x exponent 2-5x+16
Step-by-step explanation:
Remove Parentheses
-10x *exponent 2* + 9 + 8x *exponent 2* - 5x +7
Group like terms
-10x *exponent 2* +9 + 8x *exponent 2* -5x + 9+7
Add similar Elements: -10x *exponent 2* + 8x *exponent 2* = 2x *exponent 2*
-2x*exponent 2* -5x+9+7
Add the numbers 9 + 7= 16
2x *exponent 2* - 5x + 16 ANSWER
