Answer:
90.5398
Step-by-step explanation:
Use the substitution method
-x+4x when x=-2
-(-2)+4(-2) Positive number * ( multiplying)Negative number=Negative number
2-8
=-6
Answer is -6
<h2>
Answer:</h2>
<u>Exclusionary rule dictates that the </u><u>evidence illegally obtained must be excluded</u><u> as evidence under the Fourth Amendment</u>
<h2>
Step-by-step explanation:</h2>
The exclusionary rule is a legal rule, based on constitutional law which prevents the evidences collected in violation of the defendant's constitutional rights from being used in a court of law. The rule, during its application, dictates that the evidence which is illegally obtained must be excluded as to be used as evidence under the Fourth Amendment.
49x^2 - 9 = 0
As there is no x term, we can pretty much guess we have a situation where we factlrise by something known aa difference of two squares, so to factorise it:
49 = 7^2
9 = 3^2
x^2 = (x)^2
so...
(7x - 3)(7x + 3) = 0
7x - 3 = 0 7x + 3 = 0
x = 3/7 x = -3/7