Question

Which expression is equivalent to (3x^4 - 6x^2 + 8x) - (x^4 + 8x^3 - 3x)?

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Answer 1

2x^4-8x^3-6x^2+11x

Explanation:

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Answer 2

`2x^(4) -6x^(2) +11x-8x^(3)`

Explanation:

1) Remove parentheses.

`3x^(4) -6x^(2) +8x-x^(4) -8x^(3) +3x\\`

2) Collect like terms.

`(3x^(4) -x^(4) )-6x^(2) +(8x+3x)-8x^(3)`

3) Simplify.

`2x^(4) -6x^(2) +11x-8x^(3)`