(x-2)(x+1)=(x-1)(x+3)
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Answer:
Given equation (x−2)(x+1)=(x−1)(x+3)
To find whether the given equation is a quadratic equation or not
Sol:
(x−2)(x+1)=(x−1)(x+3)
⟹x ² +x−2x−2=x² +3x−x−3
⟹x²−x²+x−2x−3x+x−2+3=0
⟹−3x+1=0
This is not a quadratic equation as an equation of degree two is called a quadratic equation.
And, a polynomial when equated to zero or some value becomes an equation.
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