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Mathematics
Valencia
15 January, 21:41
Quadtric equation x 2 + 3x = 10
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Mia Kerr
15 January, 23:31
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X^2 + 3x - 10 = 0
a=1 b=3 c = - 10
Solving by the quadratic formula:
x = - 3 + - sq root (3*3 - 4*1*-10) / 2*1
x = - 3 + - sq root (9 + 40) / 2
x1 = (-3 + 7) / 2 = 2
x2 = (-3 - 7) / 2 = - 5
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