A word problem is used to solve problems in mathematics without the explicit use of equations initially.
<h3>What is a Word Problem?</h3>
This refers to the use of words to generate an equation that can be solved by mathematical means.
Hence, we can see that because the question is incomplete, we can infer that there is a relationship that exists between Dr. White, Dr. Black, Dr. Brown, and a woman that does not have brown hair, and equality would be used to solve it.
Read more about word problems here:
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Answer: 15
a=5, b=3
3a= 3x5= 15
Answer:
(5x+12) (5x-12)
Step-by-step explanation:
Use the difference of squares fromula. 
Where a = 5x and b =12.
I think that's 2x but I'm not really sure.
I hope this helps.
