Question

calculando a equação x (x+2)= 2x+25, teremos raízes igual a:​

Answer 1

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X ( X + 2 ) = 2x + 25

x² + 2x = 2x + 25

3x² — 2x = 25

1x² = 25

x² = 25/1

x² = 25

x = ±$\sqrt{25}$

x = —5
x = +5