Factor -2x^2+4x+48÷x+4

$- 2 x^{2} + 4 x + 48 \div x + 4$

Factor $2$ out of $- 2 x^{2}$ .

$2 (- x^{2}) + 4 x + 48 \div x + 4$

Factor $2$ out of $4 x$ .

$2 (- x^{2}) + 2 (2 x) + 48 \div x + 4$

Factor $2$ out of $48 \div x$ .

$2 (- x^{2}) + 2 (2 x) + 2 \frac{24}{x} + 4$

Factor $2$ out of $4$ .

$2 (- x^{2}) + 2 (2 x) + 2 \frac{24}{x} + 2 \cdot 2$

Factor $2$ out of $2 (- x^{2}) + 2 (2 x)$ .

$2 (- x^{2} + 2 x) + 2 \frac{24}{x} + 2 \cdot 2$

Factor $2$ out of $2 (- x^{2} + 2 x) + 2 \frac{24}{x}$ .

$2 (- x^{2} + 2 x + \frac{24}{x}) + 2 \cdot 2$

Factor $2$ out of $2 (- x^{2} + 2 x + \frac{24}{x}) + 2 \cdot 2$ .

$2 (- x^{2} + 2 x + \frac{24}{x} + 2)$