What are the zeros of the function?
f(x) = 8x2 + 2x – 21

and

Step-by-step explanation:

Since, the zeroes are the input values in which the value of a function is zero,

Here, the given function,

For zeroes,

f(x) = 0

By middle term splitting,

By zero product property,

2x - 3 = 0 or 4x + 7 = 0

⇒ x = 3/2 or x = -7/4

Hence, the zeroes of the given equation are and

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