Question

On factor of the expression
a^2+ b^2-2 (ab-ac + bc) is​

Answer 1

Answer:

not understandable.. dear. sorry

Answer 2

Answer:

a²+b²-2(ab-ac+bc)

a²+b²-2ab+2ac-2bc

(a-b)²+2c(a-b)

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

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