One polynomial identity that crops up often in various areas is the difference of squares identity:
A2-b2=(a-b) (a+b)
We meet this in the context of rationalising denominators.
Answer:
y=−2x−9
Step-by-step explanation:
Answer:
correct
Step-by-step explanation:
Answer: 109 years old
Step-by-step explanation:
2009-1900=109
Answer:
no solutions
Step-by-step explanation:
.