What is the solution to x^2 + 5x - 7 = 0

X can be found by using the quadratic equation. x = -b plus or minus (b2-4ac)1/2/2a. We find that x=-5/2 plus or minus (53)1/2/2.

SA

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Solve the following quadratic inequality: 6x^2 -x -35 < 0


How do I use the quadratic formula?


factorise x^2 - 8x -65


Make x the subject of the equation y = {2(1+x)}/(3x+1)