(2 sin^2 x - 1)/(sin x - cos x) = sin x + cos x
(sin^2 x + sin^2 x - 1)/(sin x - cos x) =? sin x + cos x
[sin^2 x - (1 - sin^2 x)]/(sin x - cos x) =? sin x + cos x
(sin^2 x - cos^2 x)/(sin x - cos x) =? sin x + cos x
[(sin x - cos x)(sin x + cos x)]/(sin x - cos x) =? sin x + cos x
sin x + cos x = sin x + cos x
x - 3
x - 2
[ x3 - 4x2 + 7x ] / (x) = x2 - 4x + 7
X=1
7(3y-2)-(-4y+9)
2
All the time
#
It simplifies to 5a+4 !
x-8
x - 3
7x + 8
4x + 20
x - 5
Well, darling, x squared equals 36 means that x can be either 6 or -6. It's as simple as that. So, if you were looking for a straightforward answer, there you have it. Math can be a piece of cake when you know the tricks!
44
What is 50 minus 30 divided 6 divided 9 plus 15 equals