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Yuliya22 [10]
2 years ago
12

Solve this linear equation. Show all workings

Mathematics
2 answers:
user100 [1]2 years ago
5 0

~~~~~~3x^2 +2x -1 = 0\\\\\implies 3x^2 +3x -x -1 = 0\\\\\implies 3x(x+1) - (x+1)=0\\\\\implies (x+1)(3x-1) = 0\\\\\implies x = -1,~~ x = \dfrac 13

Sever21 [200]2 years ago
3 0

Step-by-step explanation:

3x²-3x+x-1=0

3x(x - 1) + 1(x - 1) = 0

(x - 1)(3x + 1) = 0

Either x - 1- = 0, then x = 1

or 3x + 1 = 0, then x = -1 3

x = 1 or -1 3

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2 years ago
Margie says the set of numbers, 0. 1, -1, -21 4 , 3, are in order from least to greatest. What is her error? She did not use the
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One of the errors made by Margie by saying the set of numbers 0, 1, -1, -21, 4, 3 is that the -21 should be the first number on the list.

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2 years ago
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3 years ago
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