The solution to x^2 - 4x = 5 is x = -1 or 5
<h3>How to solve the equation?</h3>
The equation is given as:
x^2 - 4x = 5
Take the coefficient of x
k = -4
Divide by 2
k/2 = -2
Square both sides
(k/2)^2 = 4
Add this value to the sides of the equation
x^2 - 4x + 4= 5 + 4
Express as a difference of two squares
(x - 2)^2 = 9
Take the square root of both sides
x - 2 = ±3
Add 2 to both sides
x = 2 ± 3
Evaluate
x = -1 or 5
Hence, the solution to x^2 - 4x = 5 is x = -1 or 5
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Answer:
Step-by-step explanation:
we are given
Firstly, we will get rid of imaginary term from denominator
so, we will multiply conjugate to both top and bottom term
we can also write as
so, we get
<span>(1/3) * 4 = 4/3 = 1 and 1/3 miles</span>
Answer:
None of the above
Step-by-step explanation:
F - 40y
G - 4y
H - 40y
J y+4
Answer:
she will have $90 left after 5 weeks
Step-by-step explanation:
