factorise a square + 3 square root 3 X + 6
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Step-by-step explanation:
a²+3√3a+6 = 0
a²+2√3a+√3a+6 = 0
a(a+2√3)+√3(a+2√3) = 0
(a+√3) (a+2√3) = 0
a = -√3 or a = -2√3
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