What is sqrt(χ-3)*sqrt(χ+3) ?

The solution to sqrt(χ-3)*sqrt(χ+3) is sqrt((χ-3)(χ+3))

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simplify sqrt(χ-3)*sqrt(χ+3)

simplify

χ - 3 \cdot χ + 3

(χ - 3) (χ + 3)

Solution steps

χ - 3 χ + 3

Apply radical rule:

a b = a \cdot b,

assuming

a \geq 0, b \geq 0

χ - 3 χ + 3 = (χ - 3) (χ + 3)

= (χ - 3) (χ + 3)

e^{s + t} \cdot e^{s - t}

1 - x \cdot 2 x

(18 x^{2}) (8 x)

18 e^{- 2}

What is sqrt(χ-3)*sqrt(χ+3) ?
The solution to sqrt(χ-3)*sqrt(χ+3) is sqrt((χ-3)(χ+3))