Factor Difference of Squares

Front

What is the difference of squares?

Back

The difference of squares is a mathematical expression of the form a² - b², which can be factored into (a - b)(a + b).

Front

Factor the expression: x² - 225

Back

(x - 15)(x + 15)

Front

Is the expression x² + 81 factorable?

Back

Unfactorable

Front

Factor the expression: 4x² - 64y²

Back

(2x - 8y)(2x + 8y)

Front

Fully factor the expression: 4x² - 16

Back

4(x - 2)(x + 2)

Front

Is the expression 16x² + 25 factorable?

Back

Unfactorable

Front

What is the first step in factoring a difference of squares?

Back

Identify the two perfect squares in the expression.

Front

What does it mean if an expression is 'unfactorable'?

Back

It means that the expression cannot be expressed as a product of two binomials.

Front

Factor the expression: x² - 49

Back

(x - 7)(x + 7)

Front

What is a perfect square trinomial?

Back

A perfect square trinomial is an expression of the form a² ± 2ab + b², which factors to (a ± b)².