Sagot :
6x+18
= 6(x+3)
9x+6
= 3(3x+2)
42-14x
= 14(3-x)
54-18a
= 18(3-a)
49+21x
= 7(7+3x)
36z-63
= 9(4z-7)
5b+25
= 5(b+5)
3x²+x
= x(3x+1)
8t²+2t
= 2t(4t+1)
x+4x²
= x(1+4x)
3y²+9y
= 3y(y+3)
= 6(x+3)
9x+6
= 3(3x+2)
42-14x
= 14(3-x)
54-18a
= 18(3-a)
49+21x
= 7(7+3x)
36z-63
= 9(4z-7)
5b+25
= 5(b+5)
3x²+x
= x(3x+1)
8t²+2t
= 2t(4t+1)
x+4x²
= x(1+4x)
3y²+9y
= 3y(y+3)
6x+18=6(x+3)
9x+6=3(3x+2)
42-14x=14(3-x)
54-18a=9(6-2a)
49+21x=7(7+3x)
36z-63=9(4x-7)
5b+25=5(b+5)
3x²+x=x(3x+1)
8t²+2t=2t(4t+1)
x+4x²=x(1+4x)
3y²+9y=3y(y+3)
9x+6=3(3x+2)
42-14x=14(3-x)
54-18a=9(6-2a)
49+21x=7(7+3x)
36z-63=9(4x-7)
5b+25=5(b+5)
3x²+x=x(3x+1)
8t²+2t=2t(4t+1)
x+4x²=x(1+4x)
3y²+9y=3y(y+3)