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Ira Lisetskai [31]
3 years ago
13

What is the factored form of x^2+6x+8? (x+5)(x+3) (x+4)(x+2) (x+7)(x+1) (x+3)(x+3)

Mathematics
2 answers:
Alex3 years ago
6 0
Hello here is a solution :

<span>x²+6x+8 = x² +6x+(9-1)
              = (x²+6x +9) -1 
              =( x² +2(3)(x) +3² )-1 
</span>by identite : a²+2ab+b² = (a+b)²
x²+6x+8 = (x+3)² -1²
by identite : a²-b² = (a-b)(a+b)

x²+6x+8 = (x+3+1)(x+3-1) 
x²+6x+8 = (x+4)(x+2)

ICE Princess25 [194]3 years ago
3 0

Answer:

the answer is B:(x+4)(x+2)

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