find the sum or difference 8x4 3x2 2 x4 x3 5xSolution 8
find the sum or difference.
(8x4 + 3x2 + 2) + (x4 + x3 - 5x)
Solution
( 8x^4 + 3x^2 + 2) + (x^4 + x^3 - 5x )
opeing the parenthses
8x^4 + 3x^2 + 2 + x^4 + x^3 - 5x
adding up the like terms
8x^4 + x^4 + x^3 + 3x^2 - 5x + 2
9x^4 + x^3 + 3x^2 - 5x + 2
