What is expand f(x)(x=sqrt(x^2)+5) ?

The solution to expand f(x)(x=sqrt(x^2)+5) is xf(x)=x+5f(x)

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expand f(x)(x=sqrt(x^2)+5)

expand

f (x) (x = x^{2} + 5)

x f (x) = x + 5 f (x)

Solution steps

f (x) (x = x^{2} + 5)

= f (x) (= x x^{2} + 5)

Apply the distributive law:

a (b + c) = ab + a c

a = f (x), b = x = x^{2}, c = 5

f (x) x = x^{2} + f (x) \cdot 5

x f (x) = x^{2} + 5 f (x)

Expand

x^{2} + 5 f (x) : x + 5 f (x)

x f (x) = x + 5 f (x)

(x + ln (x + 2))^{2}

(1 + ln (t))^{2}

(e^{j θ} + e^{- j θ})^{2}

(z - e^{\frac{π}{4}}) (z - e^{- \frac{π}{4}})

- \frac{7 x + 15}{( x - 1 ) ^{2}}

What is expand f(x)(x=sqrt(x^2)+5) ?
The solution to expand f(x)(x=sqrt(x^2)+5) is xf(x)=x+5f(x)