(5x-4)(10x-13)=52
(3w-7)^2
expand and simplify
x^2-5x=0 factorise
f(x)= $\frac{7/3x-1}{2/3x+1}$
find the equation of the tangent line to the curve y=x^2-2x+7 at the point where it cuts the y axis
(-10)^x=10
( 5,0) and (-25,,0)
F(X)= $\frac{2}{3X+1}$
