What is expand ex^2*(4x^2+3cos(y)) ?

The solution to expand ex^2*(4x^2+3cos(y)) is 4ex^4+3ex^2cos(y)

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expand ex^2*(4x^2+3cos(y))

expand

e x^{2} \cdot (4 x^{2} + 3 cos (y))

4 e x^{4} + 3 e x^{2} cos (y)

Solution steps

e x^{2} (4 x^{2} + 3 cos (y))

Apply the distributive law:

a (b + c) = ab + a c

a = e x^{2}, b = 4 x^{2}, c = 3 cos (y)

= e x^{2} \cdot 4 x^{2} + e x^{2} \cdot 3 cos (y)

= 4 e x^{2} x^{2} + 3 e x^{2} cos (y)

4 e x^{2} x^{2} = 4 e x^{4}

= 4 e x^{4} + 3 e x^{2} cos (y)

\frac{10}{( s + 4 ) ( s + 2 ) ^{2}}

- \frac{1}{y ( y - 1 )}

\frac{1}{2 ( 10 - 6 y )}

\frac{5 ( 225 + 38473 )}{49}

\frac{- x + 1}{x ^{2} ( x + 1 )}

What is expand ex^2*(4x^2+3cos(y)) ?
The solution to expand ex^2*(4x^2+3cos(y)) is 4ex^4+3ex^2cos(y)