factorize (-4-x^2)
80/6+120/4
A survey line XY is measured along a steep gradient of 8° by two survey teams A and B. Team A used a 30m Fibron tape which when ch...
factorize (4-x^2)
$\sqrt{\Box}$ 2
factorize 4-x^2
-3(g+2)
5y-9 +56 degree = 90 degree
x=12.5 $\sqrt{\15((x+2.25)/(x+13.2))}$
expand and simplify (x+7)(x+3)
