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7. Quadratic Equations
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Q9 of 168 Page 7

Find the zeroes of the quadratic polynomial:

3x2 — 10x + 3

Equating the expression with 0,


3x2 - 10x + 3 = 0


On factorising it further,


3x2 - 9x - x + 3 = 0


3x(x - 3) - 1(x - 3) = 0


(3x - 1) (x - 3) = 0


x = or x = 3


The zeroes of 3x2 — 10x + 3 are and 3.


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Questions · 168
7. Quadratic Equations
1 1 2 3 4 4 4 4 5 5 6 6 7 7 7 8 9 9 9 9 9 9 9 1 1 1 1 1 1 1 1 2 2 2 2 2 3 3 3 3 4 4 4 4 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 14 14 14 14 14 15 15 15 15 15 16 16 16 16 16 17 17 17 17 17 18 18 18 18 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 5 5 6 6 7 7 8 8 8 9 10 11 11 11 11 11 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 42 43 44 45 46 47 48 49 50
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