Question

2. Which of the following is common factor o
10x2 - 5xy and 4x2 - y2?​

Answer 1

Answer:

10x^2-5xy= 5x(2x-y)

4x^2-y^2= (2x-y)(2x+y)

so common factor is 2x-y

Answer 2

Answer:

[ x - y ] is a common factor of the following algebraic expressions.

From the 1st expression, taking 5x common, then factorising x^2 - y^2

From the second Expression, we get the same i,.e, ( x - y)

Hope this helps.

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