Question

сократите дробь
$\frac{4c { }^{2} + 7c - 2}{1 - 16c {}^{2} }$

Answer 1

$\frac{4c^{2}+7c-2 }{1-16cx^{2} }$ = $\frac{(c+2)*(4c-1)}{(1-4c)(1+4c)}$ = $\frac{(c+2)*(4c-1)}{-(4c-1)*(4c+1)}$ = $-\frac{c+2}{4c+1}$