What is expand (x^2+9)(x-4-sqrt(5)) ?

The solution to expand (x^2+9)(x-4-sqrt(5)) is x^3+x^2(-4-sqrt(5))+9x-36-9sqrt(5)

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expand (x^2+9)(x-4-sqrt(5))

expand

(x^{2} + 9) (x - 4 - 5)

x^{3} + x^{2} (- 4 - 5) + 9 x - 36 - 95

Solution steps

(x^{2} + 9) (x - 4 - 5)

Distribute parentheses

= x^{2} x + x^{2} (- 4) + x^{2} (- 5) + 9 x + 9 (- 4) + 9 (- 5)

Simplify

x^{2} x + x^{2} (- 4) + x^{2} (- 5) + 9 x + 9 (- 4) + 9 (- 5) : x^{3} + x^{2} (- 4 - 5) + 9 x - 36 - 95

= x^{3} + x^{2} (- 4 - 5) + 9 x - 36 - 95

\frac{( 3 x ^{2} + 7 x )}{( x - 1 ) ( x ^{2} + 4 x + 5 )}

(sinh (b x) - a)^{2}

\frac{4}{x ^{2} - 25} + \frac{x + 2}{x ^{2} - 2 x - 15}

, (t - \frac{1}{2}) sin (2 π t)

(3 x - 2) (2 x + 5)

What is expand (x^2+9)(x-4-sqrt(5)) ?
The solution to expand (x^2+9)(x-4-sqrt(5)) is x^3+x^2(-4-sqrt(5))+9x-36-9sqrt(5)