Question

m^2-21m+90 find the solution
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Answer 1

Answer:

m = 15 or m = 6.

Step-by-step explanation:

m² - 21m + 90

m² - 6m - 15m + 90

m(m - 6) - 15(m - 6)

(m - 15)(m - 6)

So m = 15 or m = 6.

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