Question

how to check whether the following is quadratic equations by what method
question: what is the method please say me answer with explanation​

Answer 1

Step-by-step explanation:

convert the given quadratic equation into general form ax^2+bx+c=0

if the simplified equations are in the form ax^2+bx+c=0

then they are quadratic equations otherwise they are not quadratic equations.

Answer 2

Answer:

(i) (x + 1)2 = 2(x – 3) (ii) x2 – 2x = (–2)(3 – x) ...

(i) x2 – 3x – 10 = 0. (ii) 2x2 + x – 6 = 0.

...

Sol. ( i) x2 – 3x – 10 = 0. ...

Sol. ( i) We have: ...

Sol. Here, sum of the numbers is 27. ...

Sol. Let the two consecutive positive integers be x and (x + 1). ...

Sol. ...

Step-by-step explanation:

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