Class 10 icse maths chapter 5
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Step-by-step explanation:
3x^2 + 5x -9 =0
a=3, b=5, c=-9
∆ = 25- 4(3)(-9)
= 25 - (-108)
= 133
x = -b +- √∆ / 2a
=-5 +- √133
x = -5+ √133 or x = -5- √133
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