From the past...
2/5 - 1/6
7/30
(2x + 3) + (4x + 7)
x5 * x4
x9
x5/x4
x
(x4)4
x16
Solve for x.
x - 5 = 15
x = 20
(4x2 - 6) + (5x2 + 3)
9x2 -3
h6 * h-7
h-1
f10/f6
f4
(x12y5)3
x36y15
9(8) + 3
75
(2x3 - 3x2 + 8) - (4x3 - 7x2 - 1)
-2x3 + 4x2 + 9
g6j3 * g2j-10
g8j-7
y5x8/y2x3
y3x5
(3g3h8)2
9y12h16
Solve for x.
10x + 18 = 28
x = 1
(x - 5)(x + 7)
x2 + 2x - 35
x-4y5a * x21y6a12
x17y11a13
g7h13d3/g4h10
g3h3d3
(2k4y9)7
128k28y63
15% of what number of 75?
20
(2x + 10)(x - 3)
2x2 + 4x - 30
5x9 * y2 * 6x10
30x19y2
24x8y2w7/3x2yw
8x6yw6
(x3y2)8/x2y10
x22y6