y=3x^2+3x-3

I have to options

Option #1

x=????? simplify you answer. type an exact answer using radicals as needed. Use a comma to separate answers as needed.

Option #2

??? They are no x-intercepts

Only one option is allowed

y=3x^2+3x-3

I have to options

Option #1

x=????? simplify you answer. type an exact answer using radicals as needed. Use a comma to separate answers as needed.

Option #2

??? They are no x-intercepts

Only one option is allowed

Tutors, please sign in to answer this question.

Scottsdale, AZ

Solve 3x^2+3x-3 = 0

Dividing each term by 3,

x^2+x-1 = 0

Method 1. Completing the square

=> (x+1/2)^2 = 1+1/4 = 5/4

x = -(1/2) ± √(5)/2 <==Answer

Method 2. Using quadratic formula

x = (-1±√(1+4))/2 = -(1/2) ± √(5)/2<==Same answer

Dana R.

English/Math SAT PrepTutor with PhD

Lynbrook, NY

4.8
(85 ratings)

Justin H.

Math, Computer Science, and SAT Tutoring from a Google Engineer

New York, NY

5.0
(416 ratings)

Wesley L.

Premier MIT Math Tutor and SHSAT/SAT/ACT Specialist

New York, NY

5.0
(229 ratings)

- Algebra 1 3929
- Math 9348
- Algebra 4900
- Math Help 5188
- Algebra Word Problem 2409
- Precalculus 1480
- Word Problem 4941
- Algebra 2 Question 500
- Algebra Help 952
- Geometry 1807

## Comments