Question 1 Report
Simplify 4a2−49b22a2−5ab−7b2
Answer Details
4a2−49b22a2−5ab−7b2 4 a 2 − 49 b 2 2 a 2 − 5 a b − 7 b 2 = (2a)2−(7b)2(a−b)(2a+7b) ( 2 a ) 2 − ( 7 b ) 2 ( a − b ) ( 2 a + 7 b ) = (2a+7b)(2a−7b)(a−b)(2a+7b) ( 2 a + 7 b ) ( 2 a − 7 b ) ( a − b ) ( 2 a + 7 b ) = 2a−7ba−b