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
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.