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3x2+ x - 2
(3x- 2)(x + 1)
m2+ 8m +7 = 0
-7, -1
x2 -6x = -8
2, 4
x+ 3 / 44 = 42/ 24
74
2x + y = 9, x + 4y = 1
Solve by substitution
(5, -1)
4n2 + 12n + 9
(2n + 3)2
x2 -6x -11 =0
3+ 4 root 5, 3- 4 root 5
c2 -7c -2 = 4
7 plus and minus root 73/ 2
x/4 - (x+4/ 5)= 1
36
3a = 2b -6, a = b- 1
Solve with elimination
(-4, -3)
25x2 +24x +9
Prime
n2 -6n -1 =0
3 plus and minus root 10
x2 -3x -18 =0
-3, 6
(2y/ y2 - 25) - (y/ y- 5)
- (3y + y2)/ (y+5)(y-5)
(1/3)a - (2/3)b= 1, a + b +7 = 0
(-11/3, -10/3)
3c2- 5cd - 12d2
(3c+ 4)(c- 3)
x2 = x - 8
no real number solutions
5x2 +8x + 1 = 0
-4 plus and minus root 11/ 5
(x+4/3) - (x/7) = (x+7/ 5)
-7
(5a/6) - (b/3) = 6, a + 2b = 0
(6, -3)