Question

8X squared +4x-112=0

Answer 1

8x² + 4x - 112 = 0

To solve this equation, we can use the quadratic formula, as follows:

`\begin{gathered} x_(1,2)=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a} \\ x_(1,2)=\frac{-4\pm\sqrt[]{4^2-4\cdot8\cdot(-112)}}{2\cdot8} \\ x_(1,2)=\frac{-4\pm\sqrt[]{16+3584^{}}}{16} \\ x_(1,2)=\frac{-4\pm\sqrt[]{3600^{}}}{16} \\ x_1=(-4+60)/(16)=3.5 \\ x_2=(-4-60)/(16)=-4 \end{gathered}`