$$\int-2xy^2dy$$

$$\left(\left(x+y\right)^2+\left(x+y\right)\left(x-y\right)-2\left(x\right)\left(y\right)\right)$$

$$5\sqrt{2}.\:4\sqrt{2}$$

$$\left(8t^8\right)^3$$

$$\left(-3a^2b+4b-5a\right)-0$$

$$\int\left(\sqrt{1-4y}\right)dx$$

$$9p^2+12p+16$$