Question

if 2019/x-2022/y=2030 and 2021/x-2018/y=2010 then find 1/x-1/y
​

Answer 1

Answer:

Step-by-step explanation:

Factor 4x^2-49 | Mathway

Factor 4x^2-49 | MathwayRewrite 4x2 4 x 2 as (2x)2 ( 2 x ) 2 . Rewrite 49 as 72 . Since both terms are perfect squares, factor using the difference of squares formula, a2−b2=(a+b)(a−b) a 2 - b 2 = ( a + b ) ( a - b ) where a=2x a = 2 x and b=7 .