Answer:
-5
Step-by-step explanation:
Moving all terms of the quadratic to one side, we have
.
A quadratic has one real solution when the discriminant is equal to 0. In a quadratic , the discriminant is .
(The discriminant is more commonly known as , but I changed the variable since we already have a in the quadratic given.)
In the quadratic above, we have , , and . Plugging this into the formula for the discriminant, we have
.
Using the distributive property to expand and simplifying, the expression becomes
Setting the discriminant equal to 0 gives
.
We can then solve the equation as usual: first, divide by 2 on both sides:
.
Squaring both sides gives
,
and subtracting 5 from both sides, we have
Answer:
I dont know what sin is
Step-by-step explanation:
Explanation
Step 1
the density of an object is given by:
Step 2
let
Step 3
replace,
I hope this helps you
The difference is .
Step-by-step explanation:
Step 1:
The polynomial is subtracted from the polynomial .
If we write this as an equation, we get
.
To subtract the polynomials, we group up the terms based on their variables.
In this subtraction, there are two variables i.e. and and there is one constant term.
Step 2:
The subtraction of the variables; .
The subtraction of the variables; .
The subtraction of the constants; .
So .