1.

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 = -1/3, x = 5

Therefore, the roots of the equation are -1/3, 5.



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