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Question: Solve 3x2 − 7x − 2 = 0. Answer x equals the quantity of negative 7 plus or minus square root 25 all over 6 x equals the quantity of 7 plus or minus square root 73 all over 6 x equals the quantity
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Mar 14, 2017
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Question: Solve 3x2 − 7x − 2 = 0.
Answer
x equals the quantity of negative 7 plus or minus square root 25 all over 6
x equals the quantity of 7 plus or minus square root 73 all over 6
x equals the quantity of negative 7 plus or minus square root 75 all over 6
x equals the quantity of negative 7 plus or minus square root 31 all over 6
Mathematics
high-school
Arshiya
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Hey there, Lets solve this problem together.
Let the variables
a = 3,
b = -7,
c = -2
KeyStroke
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Mar 15, 2017
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3x^2 - 7x - 2 = 0
a = 3, b = -7, c = -2
x = (-b (+-) sqrt b^2 - 4ac) / 2a
x = -(-7) (+-) sqrt -7^2 - 4(3)(-2)) / 2(3)
x = (7 (+-) sqrt (49 + 24) / 6
x = (7 (+-) sqrt 73) / 6...answer is B
Dilantha
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Mar 18, 2017
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