Q. 14 C5.0( 1 Vote )

Find the roots of the following quadratic equations by factorisation:

3x2 — 14x — 5 = 0

Answer :

3x2 — 15x + x — 5 = 0


3x (x – 5) + (x – 5) = 0


(3x + 1) (x – 5) = 0


3x + 1 = 0 x – 5 = 0


x=5


Therefore, the roots of the equation are ,.


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