Question

Me ayudan a factorizar esto por favor

Answer 1

1.

$x {}^{2} - 121 = (x - 11)(x + 11)$

2.

$64 - x {}^{2} = (8 - x)(8 + x)$

3.

$36x {}^{2} + 16y {}^{2} = 4(9x {}^{2} + 4y {}^{2} )$

4.

$25x {}^{2} - 4y {}^{2} = (5x - 2y)(5x + 2y)$