SOLUTION: I'm not sure if this is the right section, but I really need help. Find: p(-3) if p(x)=x^5+3x^2 What I did was put -3 in for all x's and came up with the answer of 270. I'm not

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: I'm not sure if this is the right section, but I really need help. Find: p(-3) if p(x)=x^5+3x^2 What I did was put -3 in for all x's and came up with the answer of 270. I'm not       Log On


   

Question 165734: I'm not sure if this is the right section, but I really need help.
Find: p(-3) if p(x)=x^5+3x^2
What I did was put -3 in for all x's and came up with the answer of 270.
I'm not sure if I did this right. Can you please help. If it's not right will you please show me what I did worng.
Thanks
Answer by ptaylor(2198) About Me  (Show Source):
You can put this solution on YOUR website!
Find: p(-3) if p(x)=x^5+3x^2
p(-3)=(-3)^5+3*(-3)^2
p(-3)=-243+3*9
p(-3)=-243+27=-216
YOU GAVE IT A GOOD SHOT BUT I THINK YOU MIGHT HAVE OVERLOOKED A MINUS SIGN

Hope this helps---ptaylor