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Q: What is x in this equation 7 over x minus 2 equaks 3 over x plus 2?

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15x minus 8=minus 180 3x+8=24

Without an equality sign and not knowing the plus or minus values of some of the given terms the given expression can't be considered to be an equation.

plus, minus, times & over

Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.

Without an equality sign and not knowing the plus or minus values of 2y and 5 it can't be considered to be a straight line equation.

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The quadric equation is: negative b plus or minus the square root of b squared minus 4ac all over(divided by) 2a

x equals negative b plus or minus the square root of b squared minus 4bc over 2a

negative b plus or minus the square root of b minus 4 times ac all over 2 a

If your Problem is organized like this: A x squared plus B x plus C, the equation is: (B plus or minus the square root of(B squared minus 4 A C)) over 2A

16

x=-1 ^ how do you know?

2bc + 8b - 3c - 12 is an expression, not an equation or inequality. It cannot, therefore have "an answer".

plus or minus. You see it often with square roots. The square root of 9 is plus or minus 3.

2 minus 2/5 plus 1/2 minus 4 = -1.9

The plus-minus sign (Â±) can be used to imply plus or minus within a sum. For example, one equation reads:-b Â± sqrt (b2 - 4ac)This refers to an equation with two possible solutions - that from which you use the plus sign, and that from which you use the minus sign.

15x minus 8=minus 180 3x+8=24

6xsquared minus 26x minus 5 over 3xsquared minus 15x

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