SOLUTION: Solving equations by factoring:
3zē=12z
I know the answer is {0,4} from the back of the book
I'm just not sure how to get it.
Algebra.Com
Question 1031901: Solving equations by factoring:
3zē=12z
I know the answer is {0,4} from the back of the book
I'm just not sure how to get it.
Found 2 solutions by mananth, addingup:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
3z=0 OR z-4 =0
z= 0 OR z=4
(0,4)
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
Solve: 3zē=12z
3zē=12z
3zē-12z = 0
3z(z-4) = 0 Divide both sides by 3 (and remember 0/3 = 0)
z(z-4) = 0 Now split this into 2 equations:
z = 0
or
z-4 = 0 Add 4 on both sides:
z = 4
There you have it, z=0 or z=4 {0,4}
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