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Q: What is a solution of the equation 2x squared minus x equals 7?

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{-1,7}

The equation does not have a real number solution. Using the quadratic formula will give it's conjugate pair complex solution.

There's an equals missing...

i think its 10

If the 64 has a minus sign, then the solution is x = +/-5 Simplifying gives 4x squared = 100 ie x squared = 25...

(4.25, 0.25) is a solution.

X=-3

The value of x is 7

The equation has infinitely many solutions.

It is a quadratic equation and its solutions are: x = -3/2 and x = 3

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

X2 - 3X - 4 = 0factored(X + 1)(X - 4)----------------X = - 1X = 4-------------------(- 1, 0) and (4, 0)================solution set of X interception points

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