Question

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Answer 1

Answer:

(a+b-x)^2

Step-by-step explanation:

let (a+b) be y

=y^2-2xy+x^2

=y^2-xy-xy+x^2

=y(y-x)-x(y-x)

=(y-x)(y-x)

=(y-x)^2

Then substitute y=(a+b)

=(a+b-x)^2

Hope it'll help u

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