49-16 $y^{2}$
How can we convert 10 cintimeters to meters?
x^2+2x
an-m = t
make n the subject
5x+2y=26
y=2x-14
2 $x^{2}$+10x=-1
-2/3=x-4/5
Solve (D ^ 4 - 2D ^ 3 - 3D ^ 2 + 4D + 4) * y = 0
4$x^{2}$-12x+5=0
WE
