Answer:
81
Step-by-step explanation:
if b is 9 cubed you would just multiply 9 ×9 and get 81
The least common multiple would be 240.
120(2)=240 AND
80(3)=240
<span>2x^2 - 2x - 1 = 0 a = 2, b = -2, c = -1 b^2 - 4ac = (-2)^2 - 4(2)(-1) = 4 + 8 = 12
so the answer is 12
</span>
Answer:
x ≈ 1.5004
Step-by-step explanation:
We suppose your equation is ...
Squaring both sides and subtracting the right side gives ...

This 6th-degree equation has two positive real roots, near x=1.5, and x=2. The root at x=2 is extraneous. The one near x=1.5 is irrational.