Practice problem
Simplify 0.8(5x2+9x−4)−0.9(0.4x2+3x−8)0.8(5x^2+9x-4)-0.9(0.4x^2+3x-8)0.8(5x2+9x−4)−0.9(0.4x2+3x−8)
3.64x2+4.5x+43.64x^2+4.5x+43.64x2+4.5x+4
8.64x2−2.9x+58.64x^2-2.9x+58.64x2−2.9x+5
4.94x2−15x+3.14.94x^2-15x+3.14.94x2−15x+3.1
No solution
Type a concept, like “slope” or “photosynthesis”.
