Factorize
x^2 + 5√5 x + 30
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x² + 5√5x + 30
= x²+ 3√5x +2√5x +30
= x(x + 3√5) + 2√5(x + 3√5)
= (x +2√5)(x +3√5)
= x²+ 3√5x +2√5x +30
= x(x + 3√5) + 2√5(x + 3√5)
= (x +2√5)(x +3√5)
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