SOLUTION: the area of a triangle is {{{3x^2+6x}}} if the height is 3x+6, what is the measure of the base?

Question 289707: the area of a triangle is if the height is 3x+6, what is the measure of the base?
Answer by j1mmy94(14) (Show Source): You can put this solution on YOUR website!
We have to use the area of a triangle formula, which is
Using the information we are given, we can substitute the numerical values.
The area:
Height:
Base: Is unknown so we can leave it as a variable b
After substituting:
The formula now becomes
Multiply 2 on both sides:
Divide on both sides:
Answer: The base is 2x
Check:

Both sides are the same, therefore the answer is correct! I hope this helps! :]
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