Answer:
It is A I took it but I am not sure
Step-by-step explanation:
Answer:
The answer is d
Step-by-step explanation:
Do you think than i ve understood it right
3x+9=30
3x=21
x = 21/3 = 7
x = 7
hope helped
The answer is B.) x2-14x+2y
Answer:
x^4 - 81 = 0
(x² - 9)(x² + 9) = 0
Notice that the first of these is itself a difference of two squares:
(x - 3)(x + 3)(x² + 9) = 0
So the solutions are x = 3, x = -3, x = 3i, x = -3i
