An x-method chart shows the product a c at the top of x and b at the bottom of x. Below the chart is the expression a x squared + b x + c. What are the factors of x2 – 144? And

Step-by-step explanation:

Given

See attachment for chart

Required

The factors of

First, express as

So, we have:

Compare the above expression to:

We have:

So:

and

Calculate ac

Rewrite as:

Recall that:

Hence:

So, on the x chart, we have:

        ac

d                  e

        b

This gives:

        -144

-12                  12

        0

The factors are

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the line of