SOLUTION: simplify the expression -2(4y^2+3z^3+5)+3(2y^2-5z^3+3) a. -14y^2z^3+6y^2-1 b. -21z^3-2y^2-1 c. 9z^3-14y^2+19 d. 21z^3 +2y^2+1 I think the answer is c. If I am wrong can you

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: simplify the expression -2(4y^2+3z^3+5)+3(2y^2-5z^3+3) a. -14y^2z^3+6y^2-1 b. -21z^3-2y^2-1 c. 9z^3-14y^2+19 d. 21z^3 +2y^2+1 I think the answer is c. If I am wrong can you      Log On


   

Question 631728: simplify the expression -2(4y^2+3z^3+5)+3(2y^2-5z^3+3)
a. -14y^2z^3+6y^2-1
b. -21z^3-2y^2-1
c. 9z^3-14y^2+19
d. 21z^3 +2y^2+1
I think the answer is c. If I am wrong can you show me how its not c, ty
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

simplify the expression 

-2(4y^2+3z^3+5)+3(2y^2-5z^3+3) |remove parenthesis by applying the distributive property..watch your signs

-4y%5E2+-+6z%5E3+-+10+%2B+6y%5E2+-+15z%5E3+%2B+9  |Combine Like Terms

 -21z%5E3-2y%5E2-1   | Use Your signs.. b. is the only choice