Practice problem
Simplify (107x5+80y4+50x3−21y2)+(51x5+70y4+32x3+7y2)\left(107x^5+80y^4+50x^3-21y^2\right)+\left(51x^5+70y^4+32x^3+7y^2\right)(107x5+80y4+50x3−21y2)+(51x5+70y4+32x3+7y2).
240x+138y240x+138y240x+138y
158y5+150x4+82y3−14x2158y^5+150x^4+82y^3-14x^2158y5+150x4+82y3−14x2
158x5+150y4+82x3−14y2158x^5+150y^4+82x^3-14y^2158x5+150y4+82x3−14y2
158x5+150y4+82x3+28y2158x^5+150y^4+82x^3+28y^2158x5+150y4+82x3+28y2
Type a concept, like “slope” or “photosynthesis”.
