Erin1535
Erin1535
08.12.2019 • 
Mathematics

Simplify the following expression
x^4+3x^3-2x^3-5x^2-x+x^2+x+1+7x^4
a. 8x^4+x^3-4x^2+0x
b. 8x^4+x^3-4x^2+1
c. 8x^4+5x^3+4x^2+0x+1
d. 8x^4+5x^3+4x^2+1

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