x = ? 42 = x squared minus x
Sin squared, cos squared...you removed the x in the equation.
The answer to x2 - 2x - 4y2 - 4y =(x - 2y)(x - 2y - 2)
x - 2
What about it? Factorise it?
x2 - x = 20 x = 5
x = ? 42 = x squared minus x
4x + 20
By factoring I get x-3 divided by x+3
-22 - -22
x2+x-380 = (x+20)(x-19) when factored
xsquared minus x minus 72
Factor out -2: -2(x squared +11x-20). This is fully factored.
(x−6)(x+5)
Sin squared, cos squared...you removed the x in the equation.
x + 1
x2 - 9x + 20 = (x - 4)( x - 5)