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solve The Quadratics m^2-65m=0

Sagot :

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[tex]m^2-65m=0 \\ m(m-65)=0 \\ m=0 \ \lor \ m-65=0 \\ m=0 \ \lor \ m=65 \\ \boxed{m=0 \hbox{ or } m=65}[/tex]
m² - 65m = 0
m² - 65m + 0 = 0
m = -(-65) +/- √((-65)² - 4(1)(0))
                          2(1)
m = 65 +/- √(4225 - 0)
                     2
m = 65 +/- √(4225)
                  2
m = 65 +/- 65
              2
m = 32.5 +/- 32.5
m = 32.5 + 32.5      m = 32.5 - 32.5
m = 65                    m = 0