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(6y²2-9y+4) -(-7y²2+5y+1)

User Yoly
by
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1 Answer

3 votes

Answer:

13y

​2

​​ −14y+3

Explanation:

Remove parentheses.

6{y}^{2}-9y+4+7{y}^{2}-5y-16y

​2

​​ −9y+4+7y

​2

​​ −5y−1

2 Collect like terms.

(6{y}^{2}+7{y}^{2})+(-9y-5y)+(4-1)(6y

​2

​​ +7y

​2

​​ )+(−9y−5y)+(4−1)

3 Simplify.

13{y}^{2}-14y+313y

​2

​​ −14y+3

User Matia
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