Answer:
Its 72Pi. (Option C)
Step-by-step explanation:
Took it on Edge and got it right
(x + 10)² - 1
= (x² + 20x + 100) - 1
= x² + 20x + 99
None of the choices you provided are correct. Did you type in the question wrong?
Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.
Step-by-step explanation:
personally id say c cuz the one on the right makes it have no trend, and also because if it was a negative trend there should only have been one answer on it really.
The answer to your question is 4x^2+11x-20
