Question

estaré el factor común de


-w²z² + 4wtz² - 4t²z² ​

Answer 1

$- {w}^{2} {z}^{2} + 4wt {z}^{2} - 4 {t}^{2} {z}^{2} = - {z}^{2} \times ( {w}^{2} - 4wt + 4 {t}^{2} ) = - {z}^{2} \times (w - 2t)$