Question

Factorize
Please tell
No any lol ans​

Answer 1

Answer:

$1) \frac{ {x}^{2} }{4} - 16 {z}^{2} \\ = (\frac{x}{2} )^{2} -( {4z})^{2} \\ = (\frac{x}{2} + 4z)( \frac{x}{2} - 4z) \\ 2) \frac{ {x}^{2} }{9} - 16 \\ = ( \frac{x}{3} ) ^{2} - {4}^{2} \\ = ( \frac{x}{3} + 4)( \frac{x}{3} - 4)$

${x}^{2} - {y}^{2} = (x + y)(x - y)$