contestada

Solve the quadratic equation.
0 = x2 + 2x + 1
1
1
b
a
[?]
-b + b24ac
Remember the quadratic formula: x =
2a

Solve the quadratic equation 0 x2 2x 1 1 1 b a b b24ac Remember the quadratic formula x 2a class=

Respuesta :

kiprotichgilbert317

Answer:

product =1 and sum =2

then look for two no whose product and sum give the digits above.

it's (1 and 1)

then x2+x+x+1=0

factorising it gives

x(x+1)+1(x+1)=0

(x+1)(x+1)=0

then x=-1
This is the answer using the formula
Ver imagen sencheurikabin

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