Tell whether the following equations is a QUADRATIC or NOT
[tex]1.5 { \\ a}^{2} - 100 + a = 2a + 5 \\ 2.(x - 10)(12 { \times }^{2} + 6) = 0 \\ 3. \frac{b}{12} - {b}^{3} = 0 \\ 4.12g(15 - 2g) = - 4g \\ 5.15 {x}^{2} (3x - 4) = 0[/tex]
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