Factor. z^2 - 10z + 9 ____

Identify Numbers: Find two numbers that multiply to 9 (the constant term) and add up to -10 (the coefficient of the z term). The numbers that fit this are -1 and -9.Write Factored Form: Write the factored form of the quadratic expression using the numbers found. The factored form is (z - 1)(z - 9).

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Factor. $\newline$ $z^2 - 10z + 9$

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Q. Factor.

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z^2 - 10z + 9

Identify Numbers: Find two numbers that multiply to $9$ (the constant term) and add up to $-10$ (the coefficient of the $z$ term). The numbers that fit this are $-1$ and $-9$ .
Write Factored Form: Write the factored form of the quadratic expression using the numbers found. The factored form is $(z - 1)(z - 9)$ .