Wintringham Solving Quadratics Formula
 1. x^{2} + 6x + 4 = 0 solve x to 2 d.p.
largest value first e.g. (x = 1.57 x = 2.55)
 2. x^{2} + 5x + 3 = 0 solve x to 2 d.p.
largest value first e.g. (x = 1.57 x = 2.55)
 3. x^{2} + 2x + 5 = 0 solve x to 2 d.p.
largest value first e.g. (x = 1.57 x = 2.55)
 4. x^{2}  10x + 8 = 0 solve x to 2 d.p.
largest value first e.g. (x = 1.57 x = 2.55)
 5. x^{2} + 12x + 10 = 0 solve x to 2 d.p.
largest value first e.g. (x = 1.57 x = 2.55)
 6. x^{2} + 7x + 4 = 0 solve x to 2 d.p.
largest value first e.g. (x = 1.57 x = 2.55)
 7. 2x^{2}  5x  4 = 0 solve x to 2 d.p.
largest value first e.g. (x = 1.57 x = 2.55)
 8. 2x^{2} + 9x + 3 = 0 solve x to 2 d.p.
largest value first e.g. (x = 1.57 x = 2.55)
 9. 3x^{2} + 7x + 3 = 0 solve x to 2 d.p. largest value first e.g. (x = 1.57 x = 2.55)
 10. 2x^{2}  3x  1 = 0 solve x to 2 d.p.
largest value first e.g. (x = 1.57 x = 2.55)

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