Equations
x - 5 = 15
x=20
6ax2 - 9x
3x(2ax-3)
9x2 - 16
(x+4)(x-4)
7(2 + 3) - 4 • 22 =
19
13x2 + 3y + y + 6x2
19x2 + 4y
8x=64
x=8
y3 + 9y2
y2(y+9)
x2 - 36
(x+6)(x-6)
6 + 2 x 8 - 4 ÷ 2 =
20
4n3 - 12n2 +3n -9
(4n2+3)(n-3)
4a + 5a = 81
x=9
7n3 +21n2 + 14n
7n(n2+ 3n +2
4x2 - 100
(2x +10)(2x-10)
(-3)(-4)(5)=
60
x2 + 3x + 2x + 6
(x+3)(x+2)
3x - 12 = -33
x=-7
8x4 + 4x3 - 2x2
2x2(4x2 +2x-1)
9y2 - 25
(3y+5)(3y-5)
50 ÷ 52 - 1 + 9=
10
10 + 7 - 8 - (-3) - 12
0
2n + 5 = n-7
n=-12
8x3y + 4x2y3
4x2y(2x-y2)
36x2 - 49
(6x+7)(6x-7)
(-13) + 7 - 4 - (-5) + 4=
-1
(3 + 2)2 - 52 + 3 x 0=
0