Question

How do I factor 6-x-2x^2 using identities

Answer 1

Answer:

$6 - x - 2x {}^{2} = 0 \\ transfer \: it \: to \: that \: side \\ 2 {x}^{2} + x - 6 = 0 \\ 2x {}^{2} + 4x - 3x - 6 \\ 2x(x + 2) - 3(x + 2) \\ (2x - 3)(x + 2) \\ 2x - 3 = 0 \\ x = 3 \div 2 \\ \\ x + 2 = 0 \\ x = - 2$