Question

g)
$x ^{2} - 4$
i)
$9x^{2} - 16$
​

Answer 1

$\large\boxed{\boxed{\boxed{{Ol\'a}}}}} [tex]{G)\:X^2-4$

$\LARGE{X^2=4}$

$\LARGE{X=±\sqrt{4}}$

$\LARGE{X=+2}$

$\LARGE{X=-2}$

$I)\:9x^2-16\:<=>\:(3x+4)(3x-4)$

06.04.2019