Question

Use factoring to find the zeros of f(x) = x2 + 3x – 18.

Answer 1

Answer:

x = -6, 3

Step-by-step explanation:

The zeros of a function are its solutions also known as roots or x-intercepts. These are where x is a value and y is 0.

To find them factor by finding two numbers that multiply to -18 and add to 3. The numbers are 6 and -3.

Rewrite the equation x2+3x - 18 as (x+6)(x-3). Set each factor equal to 0 and solve.

x+6 = 0

x = -6

x-3= 0

x = 3

Answer 2

Answer:

3, -6 = x

Step-by-step explanation:

[6 + x][-3 + x] = 0

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