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b) (2x-5)^2+(x-2)(x+2)=x+(x+7)^2 c) (x-1)^2+x(x+1)=2x-(x+3)^2

Question

b) (2x-5)^2+(x-2)(x+2)=x+(x+7)^2 c) (x-1)^2+x(x+1)=2x-(x+3)^2

Solution

Verificación de expertos
4.1 (255 Votos)
Mauro Mestre · Tutor por 5 anos

Resposta

b) To solve this equation, we need to expand and simplify both sides of the equation.Expanding the left side: Expanding the right side: Setting the two expressions equal to each other: Simplifying the equation: Solving the quadratic equation: Therefore, the solutions are: c) Expanding the left side: Expanding the right side: Setting the two expressions equal to each other: Simplifying the equation: Solving the quadratic equation: Since the discriminant is negative, there are no real solutions for this equation.