# Algebra

posted by .

I need help to solve this problem by factoring: 2x^2-x-3=0

• Algebra -

(2x-3)(x+1)

• Algebra -

2x^2-x-3=0
first step: 2*2x^-x-3=0
4x^-x-3=0
(4x^-4x)+(3x-3)=0
4x(x-1)+3(x-1)
(4x+3)(x-1)=0
(4x+3)=0 (x-1)=0
4x+3=0 X-1=0
-3 -3 -1 -1
4x=-3 x=-1
x=-3/4
Therefore, X=(-3/4, -1)

## Similar Questions

1. ### Algebra

How do you solve this factoring problem by foil method: 25x2=16
2. ### Algebra 2

I need to know how to solve quadratic equations by factoring. Can you so a step by step explanation to this sample problem?
3. ### algebra

can someone help me understand how to solve this... i have no idea what to do! why are the letters in the problem?
4. ### Algebra

x^3+2x^2-5x-6, x+3 I need help factoring this problem The answer that I got was x^3+2x^2-11x+3
5. ### algebra

i need help on factoring. the equation is 4x^3 - 6x^2 + 10x - 15. how do you do this problem?
6. ### College Algebra

I need help factoring a problem and cant seem to get it right. The one I'm stumped on is 2x^2+7x+2. I have to compute as indicated and write final in the lowest terms. The whole problem is x^2-7x-18/x^2-6x-27*2x^2+7x+2/2x^2+5x+2
7. ### Algebra

Quadratic formula x^2+6x+8-0 (solve by factoring) (second Problem) 5w^2-3=0 Please show steps
8. ### Algebra

Solve the equation. Use factoring or the quadratic formula, whichever is appropriate. Try factoring first. If you have any difficulty factoring, then go right to the quadratic formula. (Enter your answers as a comma-separated list.) …
9. ### Algebra II

Need help please. Thank you. 1. Determine whether the function has a maximum or minimum. State that value. f(x)= -2x^2-4x 2. Determine what c would in order to complete the square. x^2-5x+c 3. Solve the quadratic by factoring. 3x^2-16x+5=0 …
10. ### algebra

Please solve the following problem by using factoring and the zero-product property. 9r^2-30r+21=-4 Thanks

More Similar Questions