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in Algebraic Expressions by (49.3k points)
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Simplify:

(x – 5)2 + 10x.

1 Answer

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Best answer

(x – 5)2 + 10x 

= x2 – 2 × x × 5 + (5)2 + 10x [Formula : (a – b)2 = a2 – 2ab + b2]

= x2 – 10x + 25 + 10x

= x2 + 25

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