Question

i really need some help):
Which of the following is a solution of x2 - 7x = -5?

7 plus or minus the square root of 69 divided by two
7 plus or minus the square root of 29 divided by two.
negative 7 plus or minus the square root of 29 divided by two
negative 7 plus or minus the square root of 69 divided by two.

Answer 1

u know how to solve quadratic equation

Answer 2

See Dear
\[(-B \pm \sqrt{B^2-4AC})/2A\]
is solution of the equation
\[Ax^2+Bx+C=0\]
in ur equation
A=1
B=-7
C=+5

putting the values you will get option 2 as r8 answer
OPTION 2 IS THE ANS


NJOY
:)