Question

- ( 1 - 7y - 8y² ) + 2 ( y² - 3y - 1 )

quadratic expression
step by step please​

Answer 1

-(1-7y-8y²) + 2(y² − 3y - 1)

-(-8y²-7y+1) + 2(y² − 3y − 1)

8y² + 7y - 1 + 2(y² - 3y - 1)

8y² + 7y - 1 + 2y² - 6y-2

8y² + 7y - 3 + 2y² - 6y

10y² + 7y - 3 - 6y

10y² + 1y - 3

10y² + y - 3