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.
The answers are 5 x (80 x 7) and 80 fives plus 7 fives
She needs 0.1 because 4x4 is 16. :)
Answer:
I think is 11/90.
Step-by-step explanation:
Answer:
2 4 6
Step-by-step explanation: