Practice problem
Simplify by distributing. −4(−4x−7)-4(-4x-7)−4(−4x−7)
−3-3−3
x+74x+\frac{7}{4}x+47
−8x−11x-8x-11x−8x−11x
16x+2816x+2816x+28
Type a concept, like “slope” or “photosynthesis”.