Home > CCA2 > Chapter 5 > Lesson 5.2.3 > Problem 5-91
Factor each expression below.
Look for a greatest common factor.
This is the difference of squares:
If you need more help, look up difference of squares in the glossary or find your class work from Lesson 3.1.2.
Always start by looking for a greatest common factor.
Can you factor the polynomial further?
Use a generic rectangle. Remember that the products of the diagonals must be equal.
. Image of 2 by 2 rectangle.
Start by filling in the first and last terms.
Added to interior labeled, top left, 3, x squared, bottom right, negative 4.
What two numbers multiply to
and add to ? Added to rectangle, interior labels, top right, 1, x, bottom left, negative 12, x.
Find the greatest common factor for each row and column.Added to rectangle, labels, left edge, top & bottom, each with question mark, bottom edge, left, 3, x, right, + 1.