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Alberto
Mathematics
20 August, 20:25
Use geometric model to factor x2+3x+2
+4
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2
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Fernando Fleming
20 August, 20:36
0
-1 and - 2
Step-by-step explanation:x ²+3x+2 = 0
x²+2x+x+2 = 0
x (x+2) + 1 (x+2) = 0
(x+1) (x+2) = 0
x+1 = 0 x+2=0
x = - 1, x = - 2
x = - 1 and - 2
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Holly Snyder
20 August, 20:46
0
-1 and - 2
Step-by-step explanation:
x ²+3x+2 = 0
We can solve the expression by first factorizing.
Factorizing by splitting the middle term
we look for 2 numbers that when multiplied will be + 2 and when added it will be + 3+2 and + 1 = + 3 and 2 (these is correct because it is the same as the question asked)
-2 and - 1 = - 3 and 2
x²+2x+x+2 = 0
x (x+2) + 1 (x+2) = 0
(x+1) (x+2) = 0
x+1 = 0 x+2=0
x = - 1, x = - 2
x = - 1 and - 2
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