2.x2+9x+20
3.x2+7x+12
4.p2-5p+4
5.a2+8a+12
6.m2+8m+16
7.p2-8p+12
8.b2+6b+9
9.p2-4p+4
10.x2-8x+16
11.x2-6x+9
1.x2-6x+8
1) x`2-6x+8
(x-4)(x-2)
x=4 x=2
2) (x+4)(x+5)
x=-4 x=-5
3) (x+3)(x+4)
x=-3 x=-4
4) (p-4)(p-1)
p=4 p=1
5) (a+2)(a+6)
a=-2 a=-6
6) (m+4)(m+4)
m=-4
7) (p-2)(p-6)
p=2 p=6
8) (b+3)(b+3)
b=-3
9) (p-2)(p-2)
p=2
10) (x-4)(x-4)
x=4
11) (x-3)(x-3)
x=3