(X+1)^2(X+2)^2
4 1/2 + 6 1/5
(X+1)^2(x+2)^2
{ 3x }^{ 2 } -18x+ { 2x }^{ 2 } -27 = 0
3x3x3x3x3x3x3
$-y^{-3}$ / $-y^{4}$
a mans hand span is 22cm he finds that the height of a door is about nine hand span find the approximate height of the door
2/4 + 2/5 + 2/10
f(x)=-2x+5
x+2
2
−
x−2
x
=
−4
+4
