SOLUTION: z(5z-1)=3z(z+3) "solve by suitable methods"....whatever that means. :)

Question 1922: z(5z-1)=3z(z+3)
"solve by suitable methods"....whatever that means. :)
Answer by smartdude17(30) (Show Source): You can put this solution on YOUR website!
z(5z-1)=3z(z+3) Well, first you need to clear parenthesis.
5z^2-z=3z^2+9z Invert to = the formula.
2z^2=10z Now you invert 10z so it resembles the formula.
2z^2-10z=0 Do QF.

AFTER YOU DO THE WORK (THIS THING KEEPS SAYING I DID IT WRONG!) THE ANSWER =:
z=5,0 Let's Check!
5(25-1)=15(8)
120=120
0(0-1)=0(0+3)
0=0
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