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How do you factor z2-225?

Updated: 10/17/2024
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15y ago

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Carlo Kiehn

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3y ago
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15y ago

z2 - 225 is a difference of two squares, or DOTS. To do this you must find the square of z2 which is z. Then you find the square of 225 which is 15 then you make the 1st parenthesis addition and the second subtraction. so your answer is (z+15)(z-15)

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Q: How do you factor z2-225?
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