1.

John’s solution to an equation is shown below. Given: x2+5x+6=0Step 1: (x+2)(x+3)=0 Step 2: x+2=0 or x+3=0Step 3: x=-2 or x=-3 Which property of real numbers did John use ?for Step 2?

A. commutative property of multiplication
B. distributive property of multiplication overaddition
C. multiplication property of equality
D. zero product property of multiplication
Answer» E.


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