2(-3n-5)-5(4n-8)
(-6n-10)+(-20n+40)
-26n-30
Answer:
3
Step-by-step explanation:
f(x) = 3x² - 2x + 1
f(x) = ax² + bx + c
a = 3
so 21 - 13, the money will be invested for 8 years.
Answer:
90 cubic inches
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
Required
Find x
We have:
Rewrite as:
Expand
Factorize
Factor out x + 520
Split
Solve
Side length must be positive;
So: