Question

Factorize 16x^2 - 25y^2.
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Answer 1

hello mate!....

$given..... \\ \\ 16x {}^{2} - 25y {}^{2} \\ 4 {}^{2} \times x {}^{2} - 5 {}^{2} \times y {}^{2} \\ (4x) {}^{2} - (5y) {}^{2} \\ we \: know \: a {}^{2} - b {}^{2} = (a + b)(a - b)\\ \\ then..... \\ (4x) {}^{2} -( 5y) {}^{2} = (4x + 5y)(4x - 5y) \\ \\ \\ hope \: it \: helps \: u \: dear......$