Practice problem
What is (−3+7)+(−4)(-3+7)+(-4)(−3+7)+(−4) equivalent to?
−3+(7−4)-3+(7-4)−3+(7−4)
−3+(7+4)-3+(7+4)−3+(7+4)
7+(−3−4)7+(-3-4)7+(−3−4)
7−(3−4)7-(3-4)7−(3−4)
Type a concept, like “slope” or “photosynthesis”.