Question

4x^2+20xy+25y^2
$4x {}^{2} + 20xy + 25y {}^{2}$
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Answer 1

SOLUTION :

$4x {}^{2} + 20xy + 25y {}^{2}$

Applying the formula:

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

${(2x)}^{2} + \: 2 \: \times \: 2x \: \times 5y \: + \: {(5y)}^{2} \\ \\ \\ {(2x \: + \: 5y)}^{2}$

Answer 2

hope it helps........