What are the x-intercepts of the graph of the quadratic function f(x) = 3(x − 1)(x + 3)?

-3, 1

Step-by-step explanation:

f(x) = 3(x − 1)(x + 3)

To find the x intercepts, set the equation equal to zero

0 = 3(x − 1)(x + 3)

Using the zero product property

x-1 = 0     x+3 =0

x=1            x=-3

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step-by-step explanati∵∵∴∴on:

d is correct

step-by-step explanation: