sum and product of checking solutions of Quad. Equations.

[idalia17]

Use the sum and product method of checkin solutions of quadratic equations to show that x=-9/2 and x= 6. Solve the equation.

Here's what i got so far...

sum = -3 ; product = -108

-12+9= -3
-12*9= -108

now im lost...

 

[soroban]

What is the equation?
.

 

[Denis]

Use the sum and product method of checkin solutions of quadratic equations to show that x=-9/2 and x= 6. Solve the equation.

Don't know what you're asking/doing.
If you have x=-9/2 and x= 6, then the equation factored is (2x + 9)(x - 6) = 0