Question

solve this problem
${5 }^{2} - 7 {y}^{2}$

Answer 1

heya mate here is your answer

${5}^{ {}^{2} } - 7 {y}^{2} \\ {(5)}^{2} - \sqrt{7} {y}^{2} \\using \: identity \: {a}^{2} - {b}^{2} \\ (5 - \sqrt{7} y)(5 + \sqrt{7} y$

hope it helps you

Answer 2

HEY HERE IS YOUR ANSWER BRO.☺☺☺

$= {5}^{2} - {7y}^{2} \\ \\ = 25 - {7y}^{2} \\ \\ = ({5})^{2} - ( \sqrt{7} y) ^2\\ \\ using \: identity \: {a}^{2} - {b}^{2} we \: have \: to \: convert \: in \: the \: format \\ \: (a + b) \: (a - b) \\ \\ (5 + \sqrt{7} y) \: \: (5 - \sqrt{7} y)$

HOPE IT HELPS ☺☺☺☺
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