Question

x²+ 8x +84 = 0
then x?
step by step solutions,,​

Answer 1

Answer:

${x}^{2} + 14x - 6x + 84 \\ \\ x(x + 14) - 6(x + 14) \\ \\ (x + 14)( x - 6) \\ x = - 14 \: and \: x = 6$