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saul85 [17]
4 years ago
5

(9x^2+2x-11)-(11x-7x^2+3)-(5+7x) simplify

Mathematics
2 answers:
kicyunya [14]4 years ago
6 0

Answer:

16x^2-16x-19

Step-by-step explanation:

(9x^2+2x-11)-(11x-7x^2+3)-(5+7x)

distribute the minus sign

9x^2+2x-11-11x+7x^2-3-5-7x

Combine like terms

9x^2+7x^2-7x+2x-11x-3-5-11

16x^2-16x-19

Pavlova-9 [17]4 years ago
3 0

Answer:

16x^2 - 16x - 19

Step-by-step explanation:

(9x^2+2x-11)-(11x-7x^2+3)-(5+7x)    (Distribute the negative signs and open the parenthesis to start adding like terms)

9x^2 + 2x - 11 - 11x + 7x^2 - 3 - 5 - 7x    (Simplify)

16x^2 - 16x - 19

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