Question

3x^2+48x-324
$x = 3x^2+48x-324$

Answer 1

Heya User,

3[ x²  + 16x - 108 ] = 0
=> x² + 16x - 108 = 0
=> x² + 16x + 64 - 64 - 108 = 0
=> [ x + 8 ]² = 172
=> [ x + 8 ] = √172 or -√172
=> [ x + 8 ] = 2√43 or -2√43
=> x = 2 [ √43 - 4 ] or -2 [ 4 + √43 ] <--- Ans....