Question

помогите срочно надо

Answer 1

✓3-3)
✓4-1)
$\frac{2 {x}^{2} - 5x - 12}{ {x}^{2} - 16} = \frac{2(x - + 1.5)(x - 4)}{(x - 4)(x + 4)} = \frac{2x + 3}{x + 4}$
Д: 25-4*2*(-12)=121
х1,2=(5+-11):4=-1,5; 4