Respuesta :
-2 × X + 7 × (X - 7) - (-84) = 0
(-2X + 7 × ( X - 7))) - -84 = 0
5X + 35 = 5 × ( X + 7)
5 × ( X + 7) = 0
Solve → 5 =0
X+ 7 = 0
Subtract "7" from both sides of the equation
Final answer → "x" = -7
(-2X + 7 × ( X - 7))) - -84 = 0
5X + 35 = 5 × ( X + 7)
5 × ( X + 7) = 0
Solve → 5 =0
X+ 7 = 0
Subtract "7" from both sides of the equation
Final answer → "x" = -7