How do you solve $-x^2+2x-1$ ?

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Answer 1 · 2018-06-11T18:28:53

$x=1$ (double answer)

a way of solving it it with sum and multiplication. with an equation like this one in the form $ax^2+bx+c=0$ the sum of your answers is

-b/a and the multiplication is c/a.
so in this case:

sum: $-2/-1=2$

multiplication: $-1/-1=1$

So what numbers have sum 2 and multiplication 1?

$1+1=2$

$1*1=1$

1 and 1! so $x=1$

How do you solve -x^2+2x-1 -x^2+2x-1 ?