4.
Chack whether the equation (x + 2) = x²-5 is quadratic
or not?
Answers
Answered by
0
Answer:
x
2
+
x
2
1
=5
x
2
x
4
+1
=5
x
4
+1=5x
2
x
4
−5x
2
+1=0
It is not of the form ax
2
+bx+c=0
Therefore,the given equation is not a quadratic equation.
Answered by
1
Answer:
YES,IT IS A QUADRATIC EQUATION.
Step-by-step explanation:
since,ax^2+bx+c=0
therefore,
x+2=x^2-5
=>(x^2)-5-x-2=0
=>(x^2)-x-7=0
so,in this equation,a=1,b=-1 and c=-7
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