Factorise :
4×sqroot 5x^2+17th - 3×Sqroot 5
Explain the answer. Please...........
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4√5 x^2 + 17x - 3√5
= 4√5x^2 + 20x - 3x - 3√5
= 4√5x (x+ √5) - 3 (x +√5)
= (4√5x-3)( x + √5)
= 4√5x^2 + 20x - 3x - 3√5
= 4√5x (x+ √5) - 3 (x +√5)
= (4√5x-3)( x + √5)
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