Practice problem
Simplify the expression by combining like terms. (4−x3−2x)+(18+9x2−x3)+(x+4x−9x2)(4-x^3-2x)+(18+9x^2-x^3)+(x+4x-9x^2)(4−x3−2x)+(18+9x2−x3)+(x+4x−9x2)
22x+12−13x622x+12-13x^622x+12−13x6
−2x3+3x+22-2x^3+3x+22−2x3+3x+22
2x2+18x2+7x+222x^2+18x^2+7x+222x2+18x2+7x+22
3x+223x+223x+22
Type a concept, like “slope” or “photosynthesis”.
