x²+3√3 x - 30 factorise the expression
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Step-by-step explanation:
x² – 3√3x –30
= x² – (5√3 –2√3) x – 30
= x² – 5√3x – 2√3x – 30
= x( x – 5√3) +2√3( x – 5√3)
= ( x + 2√3) ( x – 5√3)
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