Question

factorización m⁴+3m²-4​

Answer 1

$m {}^{4} + 3m {}^{2} - 4 = \\ m {}^{4} + 4m {}^{2} - m {}^{2} - 4 = \\ m {}^{2} \times ( m{}^{2} + 4) - (m {}^{2} + 4) = \\ (m {}^{2} + 4) \times (m {}^{2} - 1) = \\ \\ (m {}^{2} + 4) \times (m - 1) \times (m + 1)$