SOLUTION: given the following polynomials, perform the indicated operations
p(x)=6x^3 - x^2 + 5x +2
q(x) = 2x^3 + 5x^2-7x-3
determine p(x) + q(x)
determine q(x) - p(x)
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Question 146471: given the following polynomials, perform the indicated operations
p(x)=6x^3 - x^2 + 5x +2
q(x) = 2x^3 + 5x^2-7x-3
determine p(x) + q(x)
determine q(x) - p(x) Thanks!!!!!!
Answer by aswathytony(47) (Show Source): You can put this solution on YOUR website!
p(x) = 6x^3+ x^2+5x +2
q(x) = 2x^3 +5x^2-7x-3
p(x)+q(x) = 6x^3 +x^2 +5x + 2 + 2x^3 +5x^2 -7x-3
= 8x^3 + 6x^2 -2x -1 (adding like terms)
q(x) - p(x) = 2x^3 +5x^2 -7x -3 -(6x^3 +x^2 +5x +2)
= 2x^3 + 5x^2 -7x-3 -6x^3 - x^2 -5x - 2
= -4x^3 +4x^2 - 12x -5 (adding like terms )
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