Answer:
The correct option is;
B. The difference of 2 perfect squares
Step-by-step explanation:
Solving a quadratic equation using factoring involves finding the factors of the equation that would yield the result of the quadratic equation
In order to find the roots of the quadratic equation, then the result of the factoring must be equal to zero, in which case, the constant terms in the factors are the solutions of the quadratic equation in opposite sign.
For example, we have;
x² - 5² = 11
We subtract 11 from both sides to get;
x² - 5² - 11 = 11 - 11
x² - 36 = 0
x² - 6² = 0
(x - 6) × (x + 6) = 0
Therefore, x = 6 or -6 which are the opposite sign of the constant terms in the factor.
Answer:
4(2n-5)
Step-by-step explanation:
So we know Valerie has 5 less than double the number of brad's books. Brad has n books, so make that 2n to double it.
Because she has 5 less than that, the expression is now 2n-5. The is the total of Valerie's books.
We know that Brad has 4 times the number of Valerie's books, so just multiply that expression by 4.
The final answer is 4(2n-5).
You're welcome. :)
Answer:
17
Step-by-step explanation:
Use the Pythogream theorm where c is the hypotenuse.
There is 2000 pounds in 1 ton
Divide 4000 lbs with 2000 lbs
4000/2000 = 2
2 tons is your answer
hope this helps
Answer:
Step-by-step explanation:
Unfortunately, I don't seem to find any of the equations but the commutative property of multiplication states that two numbers can be multiplied in either order.
So for example,
If the first number = a
& second number = b
Then, either
a x b is performed, or
b x a is performed. The answer will be same.
I Hope this helps!
