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that's x2 - y2 = (x-y)(x+y)

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Q: What is the formula for the difference of two perfect squares?
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Related questions

How do you use the difference of two squares?

The formula to factor the difference of two squares, a2 - b2, is (a + b)(a - b).


How can you two perfect squares for a given integer?

The proposition in the question is simply not true so there can be no answer!For example, if given the integer 6:there are no two perfect squares whose sum is 6,there are no two perfect squares whose difference is 6,there are no two perfect squares whose product is 6,there are no two perfect squares whose quotient is 6.


What is the difference of 2 perfect squares?

This is when two perfect squares(ex.) [x squared minus 4] a question in which there are two perfect squares. you would find the square root of each. then it depends on what kind of math your doing.


How do you factor 121a2 plus 144b2?

There is a formula for the difference of two squares. The sum of two squares doesn't factor.


What is the formula of the difference of two squares?

a2 - b2 = (a - b)(a + b)


What is the formula for the difference of two squares?

a2 - b2 = (a - b)(a + b)


What is the answer of the difference between first two perfect squares that end with 9?

40


What is an expression that contains two perfect squares with one subtracted from the other?

Difference


What is similar about a perfect square trinomial and a difference of two squares?

Each has two binomial factors.


What is the solution of the difference between first two perfect squares that end with 9?

The smallest perfect squares that end with 9 are 9 (the square of 3) 49 (the square of 7). Their difference is 40.


How do you factor x squared minus 4y squared?

It is the difference of two squares which is: (x+2y)(x-2y)


What is different about a perfect square and a difference of two squares?

"Perfect square" means that you square a whole number. Sometimes simply called "square" or "square number". "Difference of two squares" is the result of subtracting one such square from another. In most cases, the difference will not itself be a square.