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Using Visual Formula

Use Visual Formula to test the values you generate when you square the sum of two terms. Here is the equation for working with the square of the sum of two terms:

(a + b)2 = a2 + 2ab + b2

Assume that you are dealing with the expression (3 + 4)2 and that you want to test whether both sides of the standard equation for quadratics of this type does, indeed, render equal values.

To implement the left side of the equation, refer to Figure 8.5 and use the following steps:

1. For starters, position the cursor on the top of the Cartesian plane. When it turns into parallel bars, pull the Cartesian plane down so that you do not see it. You are interested in this session only in the values that appear in the Solution panels on the right ...

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