2(3x - 7) + 19
|-5n-7|=2
Given the coordinates (0,0°), (9,30°) and
(6,70°), find the perimeter.
simplify 7 $\sqrt{h+x}$
5x 4x
Rationalise 1/$\sqrt{x+2}$
5x x 4x
$\sqrt{x+2}$
how to rationalise underoot x+2
