$$\sqrt{1-\sin\left(0.2\right)}$$

$$4x^4y^2-28x^3y^3+40x^2y^4-48xy^5$$

$$5\sqrt[3]{27}$$

$$-12-8+15.50+2.50+3$$

$$4^{x+1}+2^{x+3}-320=0$$

$$\left(x+\frac{1}{2}m\right)\left(x-\frac{3}{2}m\right)$$

$$4\sin\left(2x\right)-\:3\cos\left(x\right)=0$$