SOLUTION: If P(y)=10y^2+4 Q(y)=y^3-5y^2+3y+7 Find 3P(y)+q(y) 3(10y^2+4+y^3-5y^2+3y+7) 5y^2+11+y^3+3y 5y^2+11+y^3+3y Is this correct?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: If P(y)=10y^2+4 Q(y)=y^3-5y^2+3y+7 Find 3P(y)+q(y) 3(10y^2+4+y^3-5y^2+3y+7) 5y^2+11+y^3+3y 5y^2+11+y^3+3y Is this correct?      Log On


   

Question 148833: If P(y)=10y^2+4
Q(y)=y^3-5y^2+3y+7
Find 3P(y)+q(y)
3(10y^2+4+y^3-5y^2+3y+7)
5y^2+11+y^3+3y
5y^2+11+y^3+3y
Is this correct?
Answer by nabla(475) About Me  (Show Source):
You can put this solution on YOUR website!
3P(y)=30y^2+12
Q(y)=y^3-5y^2+3y+7
So, these two added together are:
3P(y)+Q(y)=y^3+25y^2+3y+19.