## anonymous one year ago Solve. x2 + x – 6 = 0 A. {2, 3} B. {2, –3} C. {3, –2} D. {6, –1}

1. anonymous

@Michele_Laino

2. pooja195

Do we need to use the quadratic formula again or can we factor?

3. anonymous

um, it doesnt say!

4. pooja195

ok lets just factor |dw:1433013934246:dw|

5. pooja195

what multiplies to -6 but adds up to -1?

6. pooja195

facotor out -6 if it helps :)

7. pooja195

|dw:1433014034240:dw|

8. anonymous

oh okay

9. pooja195

(x-3)=0 (x+2)=)

10. pooja195

x-3=0 x+2=0 solve to get the answers :)

11. anonymous

3 and -2

12. pooja195

yep

13. anonymous

Oh Jee use quadratic equation formula... x2 + x – 6 = 0 => ax^2 + bx + c =o $\frac{-b \pm \sqrt{b ^{2}-4ac} }{ 2a}$

14. anonymous

so c?

15. anonymous

x = -3, x = 2

16. pooja195

yes

17. anonymous

okay! i will post another question!

18. pooja195

:)