Practice problem
Simplify the expression (x2)+2[(x4)+2(x2)]\left(x^2\right)+2\left[\left(x^4\right)+2\left(x^2\right)\right](x2)+2[(x4)+2(x2)] by distributing, and then collecting like terms.
2x2+2x42x^2+2x^42x2+2x4
2x4+4x22x^4+4x^22x4+4x2
2x4+3x22x^4+3x^22x4+3x2
2x4+5x22x^4+5x^22x4+5x2
Type a concept, like “slope” or “photosynthesis”.
