Question

Solve x^2 + 7x = 1

this is quadratics btw

Answer 1

x^2 + 7x = 1
x^2 + 7x -1= 0
Use the quadratic formula again
\[x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}\]
Put a =1, b=7 and c=-1 into the equation, what is(are) the answer(s) you get?

Answer 2

x equals the quantity of negative 7 plus or minus the square root of 45 all over 2 ?

Answer 3

Not really....
Value of square root is not correct :|

Answer 4

it should be 53 under the square root since it's 49+4

Answer 5

Callisto may I ask how u entered the fraction for quadratic formula in here, I can't seem to find the fraction symbol in the Equation tab?

Answer 6

\frac{numerator}{denominator}