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Algebra
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OpenStudy (anonymous):
Subtract and simplify: (14x2 + 8) – (6x2 + 5x – 1) so u know the 2 is a square
a. 8x2 – 5x – 6
b. 8x2 + 5x + 9
c. 8x2 – 5x + 9
d. 20x2 + 5x – 6
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jagr2713 (jagr2713):
what do you think @Takirap2000
OpenStudy (anonymous):
i don't know i ain't good at this kind of math
OpenStudy (anonymous):
I have 6 more question to ask because i ain't good at it.
jagr2713 (jagr2713):
ok first we apply the distributive property
\[14x^{2}+8-(6x ^{2})-(5x)-1(-1)\]
then we simplify
\[14x ^{2}+8-6x ^{2}-5x+1\]
OpenStudy (anonymous):
okay
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OpenStudy (anonymous):
so we add 14x2 + 6x2 + (-5x) - 8 + 1
jagr2713 (jagr2713):
Then we move -6x2
\[14x ^{2}-6x ^{2}+8-5x+1\]
then subtract 6x2 from 14x2 to get 8x2
\[8x ^{2}+8-5x+1\]
jagr2713 (jagr2713):
whats next
OpenStudy (anonymous):
we flip the 8 and 5x over
jagr2713 (jagr2713):
show me
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OpenStudy (anonymous):
the we will get 8x2 + 5x + 9
jagr2713 (jagr2713):
nope try again remember when flipping it stays the same
OpenStudy (anonymous):
+okay so to 8x2 + (-5x) 8 + 1
jagr2713 (jagr2713):
no look
We move 8
\[8x^{2}-5x+8+1\]
then whats next @Takirap2000
OpenStudy (anonymous):
which will be 8x2 - 5x + 9 that the answer
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jagr2713 (jagr2713):
correct :D
OpenStudy (anonymous):
okay I got 6 more question
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