Asked by Amy

I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them.

17. Solve the equation using the zero product property...

-8n(5n+3)


19. Solve the equation by factoring

5z^2-2z-3=0


20. Solve the equation by completing the square..

x^-3x=4


Thank you.. Please show me how you did it if possible.
Answered by kenneth
you find the 2 factors of -3 sum of which wiil give you -4



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