Question

Find the roots of the quadratic
equation 224 x = 4 c0' by using
suitable formula.
$2x {}^{2} + x - 4 = 0$
​

Answer 1

Answer:

2a^5- 54 a²

=2 a²( a³- 27 )

= 2 a² [ a³-3³ ]

We know that,

x³ - y³= ( x - y ) ( x²+ xy + y² )

= 2 a² ×( a - 3 ) ( a²+3a+3² )

=2a²(a-3)(a²+3a+9)

Hope it helps...

Step-by-step explanation: