Question

Check whether (x-2) (x-5) =(x-4) (x-9) is a quadratic equation or not

Answer 1

Answer:

no this is not a quadratic equation

Answer 2

(x-2)(x-5) = (x-4)(x-9)

(x)²+[(-2)+(-5)]x+ (-2)(-5) = (x)²+[(-4)+(-9)]x + (-4)(-9)

x²+(-7)x+10 = x²+(-13)x + 36

x²-7x+10 = x²-13x+36

x²-x²-7x+13x+10-36 = 0

6x - 26 = 0

so the answer is no.

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