Question

3xsquare +2rooy5-5=0 find roots

Answer 1

Used method :- middle term splitting!!

Steps are :-

• Multiply the coefficient of x² by the constant term .

Here we get :- 15

• LCM of 15 :- 1 × 3 × 5

• Now , either by adding Or by subtracting the LCM we have to get 2√5

• Here we can subtract √5 from 3√5 to get 2√5.


• [ for the solution refer to the attachment ]

Answer 2

3x² + 2√5x - 5

3x² + 3√5x - √5x - 5

3x ( x + √5 ) - √5 ( x + 5 )

( x + √5 ) ( 3x - √5 )

° ( x + √5 ) = 0
x = - √5

• ( 3x - √5 ) = 0
x = √5/3