Question

What are the zeros of the function defined below?
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Answer 1

3x² + 11x - 20 = 0

Using middle term split,

3x² + 15x - 4x - 20 = 0

3x(x + 5) - 4(x + 5) = 0

(3x - 4) (x + 5) = 0

3x - 4 = 0 and x + 5 = 0

x = 4/3 and x = -5

Hence, option {b} is correct.

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