Answer:
Let's start by breaking down the problem.
This is how it should look. ↓
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⇒
⇒
What does that <em>x</em> mean? <em>x</em> is just a substituted value for the first 2 equations.
Now, we can solve.
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Add 3
Now, multiply 6 times 5 squared. What does 5 squared mean? 5 squared is just 5 times itself once. You most likely want to solve 5 squared before multiplying.
And now for the last step, multiply 25 times 6
With that information, the problem is solved! Your answer is 150
