(1)(a+b)²-4a-4b+3
(2)x³-7x+6
(1)(a+b)²-4a-4b+3
(2)x³-7x+6
(1)(a+b)²-4a-4b+3
=(a+b)²-4(a+b)+3
=(a+b-3)(a+b-1)
(2)x³-7x+6
=(x³-1)-7(x-1)
=(x-1)(x²+x+1-7)
=(x-1)(x²+x-6)
(1)(a+b)²-4a-4b+3
= (a+b)²-4(a+b)+3
=(a+b-1)*(a+b-3)
(2)x² -7x+6
= ( x-1)*(x-6)
x³-7x+6
=(x³-1)+(-7x+7)
=(x-1)(x^2+x+1)-7(x-1)
=(x-1)(x^2+x-6)
=(x-1)(x-2)(x+3)
1.(a+b)²-4a-4b+3
=(a+b)²-4(a+b)+3
=(a+b-1)(a+b-3)
2.x³-7x+6
=(x-1)(x-6)