If 49a²-b= (7a+½)(7a-½). find b
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We know that;
( a + b) ( a - b) = a² - b²
(7a + ½) ( 7a - ½) = 49a²-b
49a² - (1/2)² = 49a²-b
-b = -1/4
b = 1/4
Hope helped! ^^
( a + b) ( a - b) = a² - b²
(7a + ½) ( 7a - ½) = 49a²-b
49a² - (1/2)² = 49a²-b
-b = -1/4
b = 1/4
Hope helped! ^^
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