Question

A minus b whole square minus b minus c whole square

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

(a-b) ^2-(b-c)^2

(a^2+b^2-2ab)-(b^2+c^2-2bc)

a^2+b^2-2ab-b^2-c^2+2bc

a^2-2ab-c^2+2bc

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