Factorise xsq+3√3x-30
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x²+3√3- 30 =0⇒ x² + 5√3x-2√3x-30
⇒x(x+5√3)-2√3(x+5√3)
∴ factors ⇒(x-2√3)(x+5√3)
⇒x(x+5√3)-2√3(x+5√3)
∴ factors ⇒(x-2√3)(x+5√3)
Answered by
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x^2+3√3x-30
x^2+5√3x-2√3x-30
x(x+5√3)-2√3(x+5√3)
(x-2√3)(x+5√3)
x^2+5√3x-2√3x-30
x(x+5√3)-2√3(x+5√3)
(x-2√3)(x+5√3)
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