(8x⁴+3x³+5x²+2x)+(x⁴+x³+3x²+x).
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Answer:
x(9x^3+4x^2+8x+3)
Solution Steps
Combine 8x^4 and x^4 to get 9x^4
9x^4+3x^3+5x^2+2x+x^3+3x^2+x
Combine 3x^3 and x^3 to get 4x^3
9x^4+4x^3+5x^2+2x+3x^2+x
Combine 5x^2 and 3x^2 to get 8x^2
9x^4+4x^3+8x^2+2x+x
Combine 2x and x to get 3x
9x^4+4x^3+8x^2+3x