Question

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

Answer 1

Answer:

$2x^{4} -6x^{2} +11x-8x^{3}$

Step-by-step 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.

$2x^{4} -6x^{2} +11x-8x^{3}$