Factoring \u2013 Greatest Common Factor - MBF3C Date Factoring Greatest Common Factor REVIEW TYPES OF FACTORING 1 Trinomial Factoring i.e x2 8x 12 2

# Factoring – Greatest Common Factor - MBF3C Date...

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MBF3C Date: _________________________ Factoring – Greatest Common Factor REVIEW TYPES OF FACTORING 1. Trinomial Factoring i.e. x 2 + 8x + 12 = (x + 2)(x + 6) Find two numbers that multiply to 12 and add to 8 2. Perfect Square Trinomial i.e. x 2 – 10x + 25 = (x – 5)(x – 5) = (x – 5) 2 Find two numbers that multiply to 25 and add to -10. Since the two brackets are the same, write it as squared 3. Difference of Squares i.e. x 2 – 121 = (x + 11)(x – 11) Take the square root of each term The square root can be a positive or negative number GREATEST COMMON FACTOR (x 2 + bx) Method 1 Rewrite the Polynomial in the form x 2 + bx + c Find two numbers that multiply to ______ and add to _______ i.e. x 2 + 5x = x 2 + 5x + 0 in this case c = 0 = x 2 + 5x + 0 find 2 numbers that multiply = (x + 0)(x + 5) to zero and add to 5 = x (x + 5) Method 2 Find the Greatest Common Factor

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• Fall '14
• nunu
• Algebra, Elementary arithmetic, Square number

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