Question

(2x+5)(2x+5)-(2x-5)-(2x-5) simplify

Answer 1

Heya ! Here is u r Ans ✌✌
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$= (2x + 5)(2x + 5) - (2x - 5) - (2x - 5)$

$= (2x + 5) {}^{2} - 2x + 5 - 2x + 5$

$= using \: (a + b) {}^{2} = a {}^{2} + 2ab + b {}^{2}$

$= 4x {}^{2} + 20x + 25 - 2x + 5 - 2x + 5$

$= collect \: like \: terms$

$= 4x {}^{2} + 16x + 25 + 5 + 5$

$= 4x {}^{2} + 16x + 35$
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