SOLUTION: 2x squared + x -21=0

Question 183126: 2x squared + x -21=0
Found 2 solutions by nerdybill, KADINE:
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Here's a site that explains a general method:
http://www.purplemath.com/modules/factquad2.htm
.
2x^2 + x -21=0
(2x+7)(x-3) = 0
Answer by KADINE(2) (Show Source): You can put this solution on YOUR website!
2*^2+*_21=0(2*+7)(*_3=0
RELATED QUESTIONS
x... (answered by dolly)
2x squared + 10x = -3 and x squared + 10x - 7 =... (answered by stanbon)
2x cubed - x squared - 18x+9 =... (answered by Abbey)
what is x squared - 2x - 13=... (answered by Alan3354)
The triangle has height (x+1)cm and base (2x-3) cm. It's area is 9 cm squared. how do... (answered by mananth)
solve x squared + 2x-8=-4 and x... (answered by jim_thompson5910)
(x-5)squared-4(x-5)-21=0 (answered by jsmallt9)
2x(SQUARED)=X+30 (answered by edjones)
-x Squared + 2x = 8 (answered by shahid,jim_thompson5910)