Question

phân tích đttnt

x mũ 2 ➖7x➕6

Answer 1

x²-7x+6

=x²-6x-x+6

=x(x-6)-(x-6)

=(x-1)(x-6)

Answer 2

x²-7x+6

=x²-6x-x+6

=x(x-6)-(x-6)

=(x-1)(x-6)