Question

Solve the equation 2xsquar +1 =16

Answer 1

Solution:

2x²+1 = 16

=> 2x² = 16-1

=> x² = 15/2

=> x = ±√(15/2)

••••

Answer 2

Heya

2x² = 16 - 1

=>

2x² = 15

=>

x² = (15/2)

=>

|x| = √{15/2}

where || is modulus.

x = √{15/2}

or

x = -√{15/2}