Grokking SQL for Tech Interviews
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8. Build the Equation
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Problem

Table: Terms

+-------------+------+
| Column Name | Type |
+-------------+------+
| power       | int  |
| factor      | int  |
+-------------+------+
power is the column with unique values for this table.
Each row of this table contains information about one term of the equation.
power is an integer in the range [0, 100].
factor is an integer in the range [-100, 100] and cannot be zero.

Problem Definition

You have a very powerful program that can solve any equation of one variable in the world. The equation passed to the program must be formatted as follows:

.....

.....

.....

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