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Montiah solved a quadratic equation. Her work is shown below.

In which step did Montiah make an error?

Montiah solved a quadratic equation. Her work is shown below. In which step did Montiah-example-1
User FrankyBoy
by
4.1k points

2 Answers

4 votes

Answer:

She forgot to multiply the 3 to the x and the 8 inside the parentheses.

Explanation:

User GGAnderson
by
4.7k points
1 vote

Answer:

Step 2

Explanation:

Instead of dividing the right side by 3, Montiah multiplied the right side by 3, getting 225 instead of 25