Question

check the whether the following are quadratic equations (I) (x+2)³=x³-4​

Answer 1

Given equation is (x+2)3=x3−4.

Applying the algebraic property, (a+b)3=a3+3ab2+3ba2+b3 to solve the given equation further.

⇒x3+6x2+12x+23=x3−4

⇒x3+6x2+12x+23−x3+4=0

⇒6x2+12x+12=0

Here, the highest power of x in the equation is 2.

Hence, it is a quadratic equation

Answer 2

Answer:

$\huge\mathrm\red{HELLO}$

$\huge\bold\pink{conditions;for\\being;an\\equation;a; quadratic\\equation}$

When a, b, and c are real numbers, a ≠ 0 and the discriminant is zero, then the roots α and β of the quadratic equation ax2+ bx + c = 0 are real and equal.

So , equation