x-2=0 | x-9=0 | (x-2) (x-9) = 0
how would you compare the three questions?
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Since if x-2= 0 and x-9=0 then (x-2)(x-9) will also be zero as x-2=0 andx-9 is also 0 There fore0×0= 0
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algebra, a quadratic equation is any equation that can be rearranged in standard form as ax^{2}+bx+c=0 where x represents an unknown, and a, b, and c represent known numbers, where a ≠ 0. If a = 0, then the equation is linear, not quadratic, as there is no ax^2 term
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