Compare both sides,
x² - x - 1 = 2 - 3x
x² + 2x - 3 = 0
x² -x + 3x - 3 = 0
x(x - 1) 3(x - 1) = 0
(x - 1)(x+3) = 0
x = 1 or - 3
In short, Your Answers would be 1 & -3
Hope this helps!
Answer:
Step-by-step explanation:
use the form to find the values of a, b, and c.
consider the vertex form of a parabola
substitute the values of a and b into the formula
simplify the right side.
find the value of e using the formula
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!
Answer:
the awnser is A
Step-by-step explanation: