Question

49x2+ 64-112x factorize

Answer 1

Here, by observation,

49x² = (7x)²

64 = (8)²

-112x = -2(7x)8


So we can apply,
a² + b² - 2ab = (a + b)²

=> 49x² + 64 - 112x = (7x - 8)²


Your answer :- (7x - 8)(7x - 8) or, (7x - 8)² .

Hope it helps dear friend ☺️