Simply please quickly
1 answer:
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X= -1, 2
Just move the 2 to the other side to make it a quadratic equation then find the x values by factoring or using the quadratic formula.
Just move the 2 to the other side to make it a quadratic equation then find the x values by factoring or using the quadratic formula.
No, 
is not a subspace of 
. A simple counter-example to the contrary: let 
with 
. However, scaling by -1 gives the vector 
and 
.