Question

factor of 25a²+4ab+16b²​

Answer 1

$25 {a}^{2} + 16 {b}^{2} + 40ab - 36ab$

so

${(5a + 4b)}^{2} -( {6 \sqrt{ab} })^{2}$

by applying

${a}^{2} - {b}^{2} = (a + b) \times (a - b)$

$= > \: \: (5a + 4b - 6 \sqrt{ab} ) \times (5a + 4b + 6 \sqrt{ab} )$

Hope you understand

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