Hi,

what are the roots of: y=x^2-x-2

x^2-x-2 = 0

Factoring***

(x-2)(x+1) = 0

(x-2) = 0 , x = 2

(x+1) = 0 , x = -1

Checking our factoring using the FOIL method***

F	First terms  x^2

O	Outside terms  x

I	Inside terms  -2x

L	Last terms    -2 

RELATED QUESTIONS

what are the roots of... (answered by robertb)

What are the roots of... (answered by jim_thompson5910)

what are the roots of (x-76)^2 =y
 (answered by ewatrrr,Alan3354)

What are the integral roots of x^2+1=5x
 (answered by solver91311)

What are the roots of |9x^2 - 4| = x +... (answered by josgarithmetic)

What are the roots of the quadratic equations y=x^2+3x+2 by factoring.  (answered by rfer)

What are the roots of the quadratic equation y=x^2+7x-18 by factoring  (answered by robertb)

What are the roots of the equation... (answered by richwmiller)

What are the roots in the equation... (answered by robertb,Gogonati)