Evaluate
\[2-10+8-\left(-2\right)\].
\[2-3+\left(-5\right)+\left(-3\right)\].
\[-8-3+8+ (-3)\].
make x the subject of x-7=v
\[1-\left(-3\right)-5\].
find the fourier series expansion of the following periodic function with period 2 $\pi$
f(x)= -1, - $\pi$ <x< $\pi$...
\[3+\left(-4\right)-8-\left(-1\right)\].
6x^2+5x-6
\[\left(-22\right)-14-\left(-22\right)+14\].
Simplify (4.64 × 10^15 ) ÷ (8 × 10^12) and write the answer in scientific notation.