Answer:
(x² + 4)(x - 3)
or
A
Step-by-step explanation:
Step 1: Write out expression
x³ - 3x² + 4x - 12
Step 2: Factor by grouping
x³ - 3x²
x²(x - 3)
4x - 12
4(x - 3)
Step 3: Combine
(x² + 4)(x - 3)
Answer:
Rita is 20 years old
Step-by-step explanation:
If you add 8 years to Fati's age, (15+8), you get 23. That is Rita's age right now. Now subtract 3 from 23. You get 20. So Rita is 20 years old.
Answer:
after 1.25 hours
Step-by-step explanation:
1. make 130 your y value
130 = 220 - 72x
2. subtract 220 from both sides
-90 = -72x
3. divide by -72 on both sides
1.25 = x
Answer: 8192
Step-by-step explanation:
100 times bigger then the other 6
