Respuesta :
Answer:
x squared plus two times x minus one = zero.
Step-by-step explanation:
(This is a Quadratic equation in the variable x).
Answer:
One less than the sum of square of a number and twice the number is 0
Step-by-step explanation:
[tex]x^2+ 2x - 1 = 0[/tex]
x represents any number. x^2 represents square of a number
2x represents twice the number
[tex]x^2+2x[/tex] can be written as sum of square of a number and twice the number
[tex]x^2+2x-1[/tex]
One less than the sum of square of a number and twice the number
[tex]x^2+2x-1=0[/tex]
One less than the sum of square of a number and twice the number is 0
