Решить по теме виета 2. х2 + х - 6 = 0 3. х2 - 7х + 12 = 0 4. х2 + 3х + 2 = 0 5. х2 + 6х – 27 = 0 6. х2 – х –12 = 0 7. х2 – х – 20 = 0 8. х2 – 2х – 24 = 0 9. х2 – 8х + 15 = 0 10. х2 – 3х + 2 = 0 11. х2 – 6х + 8 = 0 12. х2 – 12х + 35 = 0 13. х2 + 13х + 40 = 0 14. х2 + 7х + 6 = 0 15. х2 – 11х + 10 = 0 16. х2 + 8х + 7 = 0 17. х2 + 11х + 30 = 0 18. х2 + 3х – 4 = 0 19. х2 – 11х + 24 = 0
Решить по теме виета 2. х2 + х - 6 = 0 3. х2 - 7х + 12 = 0 4. х2 + 3х + 2 = 0 5. х2 + 6х – 27 = 0 6. х2 – х –12 = 0 7. х2 – х – 20 = 0 8. х2 – 2х – 24 = 0 9. х2 – 8х + 15 = 0 10. х2 – 3х + 2 = 0 11. х2 – 6х + 8 = 0 12. х2 – 12х + 35 = 0 13. х2 + 13х + 40 = 0 14. х2 + 7х + 6 = 0 15. х2 – 11х + 10 = 0 16. х2 + 8х + 7 = 0 17. х2 + 11х + 30 = 0 18. х2 + 3х – 4 = 0 19. х2 – 11х + 24 = 0
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x^2 + x - 6 = 0
(x + 3)(x - 2) = 0
x1 = -3, x2 = 2
x^2 - 7x + 12 = 0
(x - 3)(x - 4) = 0
x1 = 3, x2 = 4
x^2 + 3x + 2 = 0
(x + 2)(x + 1) = 0
x1 = -2, x2 = -1
x^2 + 6x - 27 = 0
(x + 9)(x - 3) = 0
x1 = -9, x2 = 3
x^2 - x - 12 = 0
(x - 4)(x + 3) = 0
x1 = 4, x2 = -3
x^2 - x - 20 = 0
(x - 5)(x + 4) = 0
x1 = 5, x2 = -4
x^2 - 2x - 24 = 0
(x - 6)(x + 4) = 0
x1 = 6, x2 = -4
x^2 - 8x + 15 = 0
(x - 3)(x - 5) = 0
x1 = 3, x2 = 5
x^2 - 3x + 2 = 0
(x - 2)(x - 1) = 0
x1 = 2, x2 = 1
x^2 - 6x + 8 = 0
(x - 4)(x - 2) = 0
x1 = 4, x2 = 2
x^2 - 12x + 35 = 0
(x - 5)(x - 7) = 0
x1 = 5, x2 = 7
x^2 + 13x + 40 = 0
(x + 5)(x + 8) = 0
x1 = -5, x2 = -8
x^2 + 7x + 6 = 0
(x + 6)(x + 1) = 0
x1 = -6, x2 = -1
x^2 - 11x + 10 = 0
(x - 10)(x - 1) = 0
x1 = 10, x2 = 1
x^2 + 8x + 7 = 0
(x + 7)(x + 1) = 0
x1 = -7, x2 = -1
x^2 + 11x + 30 = 0
(x + 5)(x + 6) = 0
x1 = -5, x2 = -6
x^2 + 3x - 4 = 0
(x + 4)(x - 1) = 0
x1 = -4, x2 = 1
x^2 - 11x + 24 = 0
(x - 3)(x - 8) = 0
x1 = 3, x2 = 8