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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. | |