What is expand ((b+kx^2)(b-kx^2))/2 ?

The solution to expand ((b+kx^2)(b-kx^2))/2 is (b^2)/2-(k^2x^4)/2

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expand ((b+kx^2)(b-kx^2))/2

expand

\frac{( b + k x ^{2} ) ( b - k x ^{2} )}{2}

\frac{b ^{2}}{2} - \frac{k ^{2} x ^{4}}{2}

Solution steps

\frac{( b + k x ^{2} ) ( b - k x ^{2} )}{2}

Expand

(b + k x^{2}) (b - k x^{2}) : b^{2} - k^{2} x^{4}

= \frac{b ^{2} - k ^{2} x ^{4}}{2}

Apply the fraction rule:

\frac{a \pm b}{c} = \frac{a}{c} \pm \frac{b}{c}

\frac{b ^{2} - k ^{2} x ^{4}}{2} = \frac{b ^{2}}{2} - \frac{k ^{2} x ^{4}}{2}

= \frac{b ^{2}}{2} - \frac{k ^{2} x ^{4}}{2}

- 2^{8}

- 5 \cdot (- 1)

\frac{2}{5 ( 2 x - 7 )}

\frac{7}{3 ( 2 x + 1 )}

\frac{2 s + 1}{s ( s + 3 ) ^{2}}

What is expand ((b+kx^2)(b-kx^2))/2 ?
The solution to expand ((b+kx^2)(b-kx^2))/2 is (b^2)/2-(k^2x^4)/2