solve
x2+4x+4
(x+2),(x+2)
x2-10x-75
(x+5),(x-15)
x2-14x-15
(x-15),(x+1)
X2-5x+6
(x-3),(x-2)
X2+17x+30
(x+2),(x+15)
x2-6x+9
(x-3),(x-3)
x2+7x-8
(x-1),(x+8)
x2+5x+6
(x+2),(x+3)
X2-13x-30
(x+2),(x-15)
x2+7x+12
(x+3),(x+4)
x2-8x+12
(x-2),(x-6)
x2+9x+18
(x+3),(x+6)
X2+11x+10
(x+1),(x+10)
X2+14x+24
(x+2),(x+12)
X2+6x+8
(x+2),(x+4)
x2+10x+16
(x+2),(x+8)
x2+2x-15
(x+5),(x-3)
x2+x-12
(x-3),(x+4)
x2-3x-4
(x-4),(x+1)
x2+12x+35
(x+5),(x+7)
x2+4x=21
(x-3),(x+7)
x2-5x-24
(x-8),(x+3)
x2+5x-84
(x+12),(x-7)
x2+8x-48
(x-4),(x+12)
x2+3x-10
(x-2),(x+5)