Question

factorise m^2-10m+21​

Answer 1

Answer:

Here's Your Answer ☺

${m}^{2} - 10m + 21 = 0 \\ \\ {m}^{2} - 3m - 7m + 21 = 0 \\ \\ m(m - 3) - 7(m - 3) = 0 \\ \\ (m - 3)(m - 7) = 0 \\ \\ m = 3 \: and \: 7$

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Answer 2

Answer:

m^2 - 10m+21

m^2 - 7m-3m+21

m(m-7)-3(m-7)

(m-3)(m-7)