Toán giúp mik với mìk vote 5 sao cho: 9x(x-y)-18x+18y 01/12/2021 By Samantha giúp mik với mìk vote 5 sao cho: 9x(x-y)-18x+18y
` 9x(x – y) – 18x + 18y `
` = 9x(x – y) – 18(x – y) `
` = 9(x – y)(x – 2) `
Đáp án:
9x(x-y)-18x+18y
=9x(x-y)-18(x-y)
=(9x-18)(x-y)
=9(x-2)(x-y)