Practice problem
Expand PQPQPQ, where P=x2−3xP = x^2 - 3xP=x2−3x and Q=−2x2+4xQ = -2x^2 + 4xQ=−2x2+4x.
−2x4−12x2-2x^4 -12x^2−2x4−12x2
10x310x^310x3
−2x4+10x3−12x2-2x^4+10x^3 - 12x^2−2x4+10x3−12x2
x4+10x3x^4 + 10x^3x4+10x3
Type a concept, like “slope” or “photosynthesis”.