check whether the following are quadratic equations? i) (x-2) (x+1) =(x-1) (x+3)
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Answer:
No, it is not an quadratic equation
Step-by-step explanation:
x(x+1)-2(x+1)=x(x+3)-1(x+3)
x^2+x-2x-2=x^2+3x-x-3
x^2-x-2=x^2+2x-3
x^2-x^2-x-2x-2+3=0
-3x+1=0
3x-1=0
No, it is not an quadratic equation.
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