3 years ago

What is the a simpler form of the following expression (2n+2)(2n-2)

Mathematics

2 answers:

san4es73 [151]3 years ago

5 0

Answer:

4*n^2 - 4

Step-by-step explanation:

(2n+2)(2n-2) = 4*(n^2) - 4n + 4n - 4 = 4*(n^2) - 4

kumpel [21]3 years ago

3 0

4n^2-4

if you do it right and combine like terms thats the answer you should get

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Plz explain.

slega [8]

Idk, why does the world need problems like this, not like everyone is going to grow up to be a math teacher.

8 0

3 years ago

Two fractions negative whose product is 5/8

Andreyy89

You could do -1/-2 times -5/-4 which would be 5/8

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3 years ago

There are 100 students at a college who have taken a course in calculus, 110 who have taken a course in discrete mathematics, an

vesna_86 [32]

Answer:

110 students

Step-by-step explanation:

The number of students who have only taken calculus is given by the number of students who have taken calculus minus the students who have taken both classes:

$C =100 -50\\C= 50\ students$

The number of students who have only taken discrete mathematics given by the number of students who have taken discrete mathematics minus the students who have taken both classes:

$D =110 -50\\C= 60\ students$