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Published byDenise Blevins Modified over 6 years ago

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4.3 – Solve x 2 + bx + c = 0 by Factoring A monomial is an expression that is either a number, a variable, or the product of a number and one or more variables. A binomial, such as x + 4, is the sum of two monomials. A trinomial, such as x 2 + 11x + 28, is the sum of three monomials. A polynomial is a monomial or a sum of monomials, each of which is called a term of the polynomial.

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4.3 – Solve x 2 + bx + c = 0 by Factoring Factor the expression. a.x 2 – 9x + 20 b.x 2 + 3x - 12

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4.3 – Solve x 2 + bx + c = 0 by Factoring Factor the expression. c. x 2 – 3x – 18 d. x 2 - 3x + 9

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4.3 – Solve x 2 + bx + c = 0 by Factoring Factor the expression. e. r 2 + 2r – 63 f. x 2 + 14x + 48

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4.3 – Solve x 2 + bx + c = 0 by Factoring

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Example 2: Factor with special patterns a.x 2 – 49 b.d 2 + 12d + 36

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4.3 – Solve x 2 + bx + c = 0 by Factoring Example 2: Factor with special patterns c. q 2 – 100 d. y 2 + 16y + 64

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4.3 – Solve x 2 + bx + c = 0 by Factoring Example 2: Factor with special patterns e. x 2 – 81 d. w 2 – 18w + 81

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4.3 – Solve x 2 + bx + c = 0 by Factoring Example 3: Find the zeros (solve) of the function by rewriting the function in intercept form a. y = x 2 –x – 12 b. y = x 2 + 12x + 36

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4.3 – Solve x 2 + bx + c = 0 by Factoring Example 3: Find the zeros (solve) of the function by rewriting the function in intercept form c. y = x 2 + 5x – 14 d. y = x 2 – 7x - 30

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