X^4 - 3x^2 + 2
= (x^2 - 1)(x^2 - 2)
Note that x^-1 is the difference of 2 squares:-
= (x + 1)(x - 1)(x^2 - 2) Answer
Answer:
the answer is 7/30 (answer is .23 repeating)
Answer: 9
Step-by-step explanation: To get the area of a square you do length times width. It has to be the same number so the square root of 81 is 9. Therefore your answer is 9.
It’s 5 since you’d use Pythagorean theorem
