Join Game Changers!

Apply Today and receive complimentary 6 month Premium subscription!
Quick Homework Help
(down) 0 (up)

can you factor this: x^2-7x-12

DaltonN

by DaltonN at April 09, 2010

Answers

(up) 0 (down)
answer 4 and 3

MysteriousAnubis MysteriousAnubis April 09, 2010

(up) 3 (down)
x^2 - 7x - 12 is in the form ax^2 + bx + cYou must then use the quadratic formula:(-b ± √(b^2 - 4ac))/(2a)By substituting your formula in:(7 ± √((-7^2) - 4(1)(-12)))/(2(1))= (7 ± √(97))/2Which is approximately to x = 8.424 or x = -1.424

shortround shortround April 09, 2010

(up) 0 (down)
you cant factor it so you have to use the quadratic formula

gibby. gibby. April 09, 2010

(up) 0 (down)
agree with you

Nini007 Nini007 April 09, 2010

(up) 0 (down)
Nini007, who do you agree with?

MysteriousAnubis MysteriousAnubis April 10, 2010

(up) 0 (down)
i agree

nicholas nicholas April 10, 2010

Add your answer


Post your answer

Try Instatnt Math