Complete the square to solve 4x2 + 24x = 4?
2 Answers
Apr 16, 2018
Explanation:
nothing can be in the
Divide
add to both sides:
Now factor
Tip the factor is ALWAYS going to be the
Square root both sides to get
Apr 16, 2018
Explanation:
-
Factor out the
4
4(x^2+6x)= 4 -
Complete the square with
(b/2)^2 and add the same to the other side of the equal to sign:
4(x^2+6x+9)= 4+36 -
Factor
4(x+3)^2= 40 -
Simplify
(x+3)^2= 10