Answer:
4/10 and 12/30 are both answers
M= -2 , hope this help you <3
Answer: see below
<u>Step-by-step explanation:</u>
x + 2:
a number x plus 2
the sum of a number x and 2
x - 2:
a number x minus 2
the difference of a number x and 2
2x:
two times a number x
twice a number x
x ÷ 2:
a number x divided by 2
the quotient of a number x and 2
So,
To divide a fraction by a fraction, all you need to do is invert the second fraction and multiply the resulting fractions.
Step 1: Flip the second fraction.

Step 2: Multiply the fractions.
Answer:
F(2b-1) = 4b² - 6b + 4
Step-by-step explanation:
Replace all the x with 2b-1
F(x) = x² - 2x + 4
F(2b-1) = (2b-1)² - 2(b) + 4
= 4b² - 4b + 1 - 2b + 4
= 4b² - 6b + 4