Mathematics, 09.07.2020 01:01, kbuhvu

When the solution of x2 + 9x − 9 is expressed as negative 9 plus or minus the square root of r, all over 2, what is the value of r? x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a 117 54 45 9

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When the solution of x2 + 9x − 9 is expressed as negative 9 plus or minus the square root of r, all...