Show What You Know! x2 + 4x – 12 5x2 + 19x + 12 -6x2 – 25x - 25 Put this on a clean sheet of paper. No working with a neighbor. Let’s see what you remember from last week! x2 + 4x – 12 5x2 + 19x + 12 -6x2 – 25x - 25
Factoring Special Products I CAN and I WILL factor polynomials.
Let’s recall using the Difference of Two Squares… Multiply. 1) 2) Middle terms cancel!
Difference of Two Squares? Factor. Perfect Square Perfect Square minus List the perfect squares from 1 to 200. 1 25 81 169 4 36 100 196 9 49 121 16 64 144
Examples Ex1) Ex 2) Ex 3)
Greatest Monomial Factor Watch This: Greatest Monomial Factor Difference of Squares
Ex 4)
Follow the pattern! (Do you remember???) Term b Term Twice the b Term times a Term Square of the b Term Middle terms double!
Watch This! Ex 5)
Factoring a perfect square trinomial when the leading coefficient is NOT 1. Think about what the square root of the first and last terms would be.
Ex 6)
Ex 7)
Watch This! Greatest Monomial Factor Perfect Square Trinomial
Ex 8)
Practice!