5.2 Solving of Quadratic Equations by Factorization
All Questions
Solution of x<sup>2<sup> -9 = 0 is:
a)
{9}
b)
{<math><mo>±</mo><mn>9</mn></math>}
c)
{<math><mo>±</mo><mn>3</mn></math>}
d)
{3}
Check
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