0.95-0.3
divide 1500 into a ratio of 2:6:4
(5x+8)(-8x-3)-(5x+8)(-3x-6)=0
y=-2x+7
y=1/2x+1
x^2+x-6/9 = 0
1/x^2
15,7 TO CM
(2x - 5)(2 - 2x)
(-7x+9)*3x-9(-7x+9)=0
4x + 8 = 20,x
