Question

PLEASE SOLVE AND CHECK. SHOW COMPLETE SOLUTION

Answer 1

Answer:

${(x - 3) }^{2} = 30 - 2x \\ { \times }^{2} - 6x + 9 = 30 - 2x \\ x {}^{2} - 4x - 21 = 0 \\ (x - 7)(x + 3) \\ x = 7 \\ x = - 3$