$$8\sin\left(x\right)\cos\left(x\right)=-5\cos\left(x\right)$$

$$\left(14a^6+16b^3\right)^3$$

$$\left(3y\:+\:5\right)\:\left(3y\:-\:5\right)$$

$$9\cdot32$$

$$4\left(4-30\right)+3\left[5+3\left(-1-3\right)\right]+30$$

$$4x^2+10xy+6y^2$$

$$\int5^{2x+5}dx$$