Answer:
The expression is not factorable with rational numbers.
x² − 4x + 7
Answer: y = 3 or y=7
Step-by-step explanation:

what 2 factors of 21 can equal 10 when added together (1*21- no 3*7- yes)
Factor

y-3=0
y=3
or y-7=0
y=7
Step-by-step explanation:
Its will be the same if hes is trying to keep the ratios the same i think
Answer:
How long was the ribbon before it was cut?
Step-by-step explanation: