answeOR ]
4 {x}^{2} + 20x + 254x2+20x+25
{(2x)}^{2} + 2(2x)(5) + {(5)}^{2}(2x)2+2(2x)(5)+(5)2
Using identity :
( a + b)² = a² + 2ab + b²
{(2x + 5)}^{2}(2x+5)2
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Answers & Comments
answeOR ]
4 {x}^{2} + 20x + 254x2+20x+25
{(2x)}^{2} + 2(2x)(5) + {(5)}^{2}(2x)2+2(2x)(5)+(5)2
Using identity :
( a + b)² = a² + 2ab + b²
{(2x + 5)}^{2}(2x+5)2