# Keyword Analysis & Research: explanation of difference of squares

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How to factor the difference of squares?

The difference of squares method is an easy way to factor a polynomial that involves the subtraction of two perfect squares. Using the formula a 2 − b 2 = ( a − b ) ( a + b ) {displaystyle a^{2}-b^{2}=(a-b)(a+b)} , you simply need to find the square root of each perfect square in the polynomial, and substitute those values into the formula.

How do you identify difference of two squares?

a^2 - b^2 equals (a+b) (a-b) In mathematics, the difference of two squares is a squared (multiplied by itself) number subtracted from another squared number. Every difference of squares may be factored according to the identity. a 2 − b 2 = ( a + b ) ( a − b ) {displaystyle a^ {2}-b^ {2}= (a+b) (a-b)}

What is the law of squares?

The square–cube law was first mentioned in Two New Sciences (1638). The square–cube law (or cube–square law) is a mathematical principle, applied in a variety of scientific fields, which describes the relationship between the volume and the surface area as a shape's size increases or decreases. It was first described in 1638 by Galileo ...