3/5 =1/10
20x^2+7x-3=0
2^x+x-1.6=0
2^x+x-1.6=
how to calculate area of a trapezium
7x = 40cm
11x = ?
5/6 -1/3
3x^2+7x-6=0
$\frac{2}{3}$ y + $\frac{20+x}{3}$ =1
28x^2+26x+6=0
