Question 297706
Given: {{{M^2 - 5M - 14 = 0}}}

Find the factors of 14: 1,2,7,14
2 and 7 look the best

Rewrite the equation:
{{{(M - 7) (M + 2) = 0}}}

The are 2 solutions

{{{M - 7 = 0}}}
{{{highlight(M = 7)}}}
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{{{M + 2 = 0}}}
{{{highlight(M = -2)}}}