$\left(a-b^2\right)\left(a+b\right)$

$2\sin^4\left(x\right)-2cos^4\left(x\right)+2cos^2\left(x\right)-2sin^2\left(x\right)$

$\int x^6\cdot\cos\left(3x\right)dx$

$\left(6^2\right)^3.\left(6^3\right)^2.\left(6^4\right)^5$

$-\left(2-5\right)+\left(3-7\right)+\left(-4\right)-\left(5-4\right)$

$5.6\sqrt[4]{6}+0.08\sqrt[4]{6}+5.25\sqrt[4]{6}$

$y^2+2xy^2-3x+1=0$