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Check whether the following are quadratic equations (2x–1)(x–3)=(x+5(x–1) |
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Answer» Right answer Yes LHS: (2x–1)(x–3) =2x2–6x–x+3 = 2x2–7x+3RHS: (x+5)(x–1) = x2–x+5x–5 = x2 + 4x – 5Now; 2x2–7x+3 = x2+4x–5Or, 2x2–7x+3–x2−4x+5 = 0Or, x2–11x+8=0 Yes, it is quadratic equation. |
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