Question

4(a-c)+2(a-b)
x(x-y)+y(y-x)

Answer 1

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Answer 2

1) 6 ( a - b )

2) x² - 2xy + y²

Explanation:

1) 4 ( a - c ) + 2 ( a - b )

First, solve the brackets.

4a - 4c + 2a - 2b

Combine like terms.

6a - 6b

Take the common factor out.

6 ( a - b )

2) x ( x - y ) + y ( y - x )

First, solve the brackets

x² - xy + y² - xy

Combine like terms.

x² - 2xy + y²