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Solve by factoring 2z^2-21z-36=0

Solve by factoring 2z^2-21z-36=0
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3 votes
Solve by factoring 2z^2-21z-36=0

User White
by
8.1k points

2 Answers

4 votes

Answer:

D

z= -3/2 or 12

User SpiritOfDragon
by
8.4k points
4 votes
2z^2 - 21z - 36 = 0
(x - 12)(2x + 3)=0
Set each factor equal to zero and solve.
x -12 = 0 2x -3= 0
x = 12 2x = 3
x = 3/2
User Davinel
by
8.3k points
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