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Factor each polynomial. x²+5x+4
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11 votes
11 votes
Factor each polynomial.
x²+5x+4

User Hugh Allen
by
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2 Answers

27 votes
27 votes

Answer: x²+5x+4=(x+4)(x+1)

Explanation:


x^2+5x+4=\\x^2+4x+x+4=\\(x^2+4x)+(x+4)=\\x*(x+4)+(x+4)=\\(x+4)*(x+1)

User Priyankchoudhary
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3.0k points
25 votes
25 votes
(x+4)(x+1) because the numbers need to multiply to the constant (4) and need to add up to the second number (5) and they work
User Thom Seddon
by
3.3k points
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