SOLUTION: -4X 2 (5X 4 - 3X 2 + X - 2). Please help me solve this problem. Thank you.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: -4X 2 (5X 4 - 3X 2 + X - 2). Please help me solve this problem. Thank you.      Log On


   

Question 62956: -4X 2 (5X 4 - 3X 2 + X - 2). Please help me solve this problem. Thank you.
Found 2 solutions by 303795, uma:
Answer by 303795(602) About Me  (Show Source):
You can put this solution on YOUR website!
%28-4X%5E2%29+%285X%5E4+-+3X%5E2+%2B+X+-+2%29
Multiply -4x^2 by each of the terms inside the main bracket in turn.
-20X%5E6+%2B+12X%5E4+-+4X%5E3+%2B+8x%5E2

Answer by uma(370) About Me  (Show Source):
You can put this solution on YOUR website!
The given question is -4x^2( 5x^4 - 3x^2 + x - 2)
Here we need to multiply -4x^2 with each of the term inside the parenthesis.
While multiplying , we multiply the numerals and the powers of the variables are added.
==> -20x^(2+4) + 12x^(2+2) - 4x^(1+2) + 8x^2
= -20x^6 + 12x^4 - 4x^3 + 8x^2


Good Luck!!!