Question

factorize (4b^5-196b)

Answer 1

Answer:

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Answer 2

${4b}^{5} - 196b \\ 4b( {b}^{4} - 49) \\ 4b[ {( {b}^{2} )}^{2} - {(7)}^{2} ]\\ 4b[( {b}^{2} - 7)( {b}^{2} + 7)] \\ { \red{({4b}^{3} - 28b)( {b}^{2} + 7 )}}$