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America Black
Mathematics
21 May, 18:40
Factorize 1. - 3b^2+15b+18
2. 2K^2+3K-35
+3
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1
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Samir Mccall
21 May, 18:44
0
Problem #1.
Find the Greatest Common Factor (GCF)
GCF = 3
Factor out the GCF. (Write the GCF first. Then, in parenthesis, divide each term by the GCF.)
3 (3b^2/3 + - 15b/3 - 18/3)
Simplify each term in parenthesis;
-3 (b^2 - 5b - 6)
Factor b^2 - 5b - 6
-3 (b - 6) (b + 1)
Problem #2.
Split the second term in 2k^2 + 3k - 35 into two terms
2k^2 + 10k - 7k - 35
Factor out common terms in the first two term, then in the last two terms;
2k (k + 5) - 7 (k + 5)
Factor out the common term k + 5
(k + 5) (2k - 7)
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