If a root is a+√b then another is a-√b because of quadatic formula
r2=1-√5
If by 4x(2) you mean 4x to the power 2 or 4x^2...it can be solved in the following way
f(x)=4x^2-4x-3
=4x^2+2x-6x-3
=2x(2x+2)-3(2x+2)
=(2x-3)(2x+2)
Therefore x=3/2 or x=-2/2=(-1)
Answer:
Invalid
Step-by-step explanation:
This is invalid because you don't have to go some were to love something.
49.26 because 90-40.74=49.26
Answer:
d = 8/9
Step-by-step explanation:
All you have to do is add 5/9 to both sides.
d - 5/9 + 5/9 = 3/9 + 5/9
d = 89
So, d = 8/9.