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The difference between 2x squared plus 4xy - 3 and x squared - 2xy - 4?
(2x2+4xy-3)-(x2-2xy-4)Answer: x2+6x+1
What is the difference between three cubed and two squared?
33 = 3x3x3 = 9 22 = 2x2 = 4 The difference between them is 5 (9-4).
The difference between a number squared and the number?
When a number is squared, it has been multiplied by itself. For instance: 4 squared means 4x4, which is equal to 16.
What is a irrational number between 3 and 4?
3 squared is 9 and 4 squared is 16, so the square root of any whole number between 9 and 16 will be irrational.
What do you notice about the difference between squares of consecutive numbers?
The difference between the squares of two consecutive numbers is the sum of those two numbers. For example: 2 squared is 4. 3 squared is 9. 9-4=5 2+3=5 This is for a very simple reason: To go from 2x2 or '2 lots of two' to '3 lots of two' (3x2) we must add another two. 3 lots of two equals 2 lots of three. To get to three lots of two we need another three. We have added two then three, or 2+3. You can also apply this rule two numbers further apart, but to discover their squares' difference you must add them together and multiply by their difference EG. 2 squared is 4 4 squared is 16 16-4= 12 (2+4)x2=12
