Question

Solve x2 + 6x + 7 = 0.

x = −1 and x = −5
3 plus or minus square root of 2
negative 3 plus or minus square root of 2
quantity of negative 3 plus or minus square root of 2 all over 2

Answer 1

is that supposed to be 2x or x square?

Answer 2

x^2 is x squared
2x is just simply 2x

Answer 3

its x squared

Answer 4

Then it should be -1^2+6(-5)+7= 0
1-30+7=0
-29+7=0
-22=0