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

The solution to expand (x+4)(sqrt(x^2+9)+5) is xsqrt(x^2+9)+5x+4sqrt(x^2+9)+20

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

expand

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

x x^{2} + 9 + 5 x + 4 x^{2} + 9 + 20

Solution steps

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

Apply FOIL method

(x + 4) (x^{2} + 9 + 5) : x x^{2} + 9 + 5 x + 4 x^{2} + 9 + 20

= x x^{2} + 9 + 5 x + 4 x^{2} + 9 + 20

\frac{1}{( s - 5 ) ( s + 8 )}

(4 - 3 i)^{4}

(x^{3} + 2) x^{4} - x^{3}

x^{3} e^{x} - 3 (x^{2} e^{x} - 2 (e^{x} x - e^{x})) + C

cos (π (1 - n))

What is expand (x+4)(sqrt(x^2+9)+5) ?
The solution to expand (x+4)(sqrt(x^2+9)+5) is xsqrt(x^2+9)+5x+4sqrt(x^2+9)+20