What is (x-4)(x+sqrt(5))(x-sqrt(5)) ?

The solution to (x-4)(x+sqrt(5))(x-sqrt(5)) is (x-4)(x^2-5)

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simplify (x-4)(x+sqrt(5))(x-sqrt(5))

simplify

(x - 4) (x + 5) (x - 5)

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

Solution steps

(x - 4) (x + 5) (x - 5)

Apply Difference of Two Squares Formula:

(a + b) (a - b) = a^{2} - b^{2}

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

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

Simplify

x^{2} - (5)^{2} : x^{2} - 5

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

(5 x - 2)^{2}

(1 + cos (3 t))^{2}

cos (0)

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

(x - \frac{1}{x})^{3}

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