Question

factorize (4b^5-196b)

Answer 1

Answer:

$4 {b}^{5} - 196b = 4b( {b}^{4} - 49) = 4b( {b}^{2} + 7)( {b}^{2} + \sqrt{7} )( {b}^{2} - \sqrt{7} )$