$\int_0^1\:\left(8x+t-1\right)dx$

$8\cos\left(x\right)^2+2=\cos\left(2x\right)$

$1-tan\left(x\right)=\frac{cos\left(x\right)}{cos\left(x\right)}+\frac{-sin\left(x\right)}{cos\left(x\right)}$

$\int\sin^6\left(2x^2+1\right)xdx$

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

$3^4.5^{23}.7^6$

$\int_{-2}^2\left(3w^3-10\right)dw$