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nika2105 [10]
4 years ago
10

Quadratic formula X2-3x+2=0

Mathematics
2 answers:
snow_tiger [21]4 years ago
8 0
x^2-3x+2=0\\\\a=1;\ b=-3;\ c=2\\\\\Delta=b^2-4ac\\\\\Delta=(-3)^2-4\cdot1\cdot2=9-8=1\\\\x_1=\frac{-b-\sqrt\Delta}{2a};\ x_2=\frac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt1=1\\\\x_1=\frac{3-1}{2\cdot1}=\frac{2}{2}=1;\ x_2=\frac{3+1}{2\cdot1}=\frac{4}{2}=2\\\\Answer:x=1\ or\ x=2.


x^2-3x+2=(x-1)(x-2)
lbvjy [14]4 years ago
8 0

Answer:

3x=4

Step-by-step explanation:

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Expand and simplify this <br>can you help  <br>(2x²−3x+4) ( x²+5x−7) 
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What is the solution set of the following equation? 1/5x^2=x-4/5
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