SOLUTION: Please help me solve this: 15x^2-7x-4=0

Algebra.Com
Question 195565: Please help me solve this: 15x^2-7x-4=0
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given equation.


Notice we have a quadratic equation in the form of where , , and


Let's use the quadratic formula to solve for x


Start with the quadratic formula


Plug in , , and


Negate to get .


Square to get .


Multiply to get


Rewrite as


Add to to get


Multiply and to get .


Take the square root of to get .


or Break up the expression.


or Combine like terms.


or Simplify.


So the answers are or

RELATED QUESTIONS

Please help me solve this equation:... (answered by Alan3354)
please help me solve... (answered by josmiceli)
Please help me solve this expression... (answered by stanbon,Alan3354)
Please help me solve this... (answered by ikleyn)
Please help me solve this equation... (answered by jim_thompson5910)
please help me solve this equation... (answered by Alan3354)
please help me solve this equation {{{ 2x^2+15x-8=0... (answered by checkley77,solver91311)
please help me solve this! solve x^2... (answered by mananth)
Please help me solve this equation:... (answered by ewatrrr)