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anonymous
 one year ago
Simplify:
5x3 – 2x2 + x + 4x3
A.
8x3
B.
9x6– 2x2+ x
C.
9x3– 2x2+ x
D.
5x3– 2x2+ x + 4x3 (the expression cannot be simplified)
anonymous
 one year ago
Simplify: 5x3 – 2x2 + x + 4x3 A. 8x3 B. 9x6– 2x2+ x C. 9x3– 2x2+ x D. 5x3– 2x2+ x + 4x3 (the expression cannot be simplified)

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phi
 one year ago
Best ResponseYou've already chosen the best response.0the expression has 5 x^3 plus 4 x^3 (5 of x cubed and 4 more of x cubed) you can add them. how many x^3 do you have ?

phi
 one year ago
Best ResponseYou've already chosen the best response.0yes. and the rest of the expression stays the same \[ 5x^3 – 2x^2 + x + 4x^3 = 9x^3 2x^2 +x \]

phi
 one year ago
Best ResponseYou've already chosen the best response.0choice D says you can't simplify. but you just did. try again.

phi
 one year ago
Best ResponseYou've already chosen the best response.0I posted the answer up above.
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