SOLUTION: x^4+3x^3-x^2+2x-6 for x=3 im really confuse with this problem

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Question 562852: x^4+3x^3-x^2+2x-6 for x=3
im really confuse with this problem
Answer by Maths68(1474) About Me  (Show Source):
You can put this solution on YOUR website!
=x%5E4%2B3x%5E3-x%5E2%2B2x-6
for x=3
=%283%29%5E4%2B3%283%29%5E3-%283%29%5E2%2B2%283%29-6
=81%2B3%2827%29-9%2B6-6
=81%2B81-9%2Bcross%286%29-cross%286%29
=162-9
=153