Question

como resolve?
a) x² - 8 = x/3
b) x (x - 2) = 2 (x+6)
c) (x+3)² = 12 - x²
d) x/2 - x/2 = -1/9

Answer 1

B) x²-2x+2x+12=0 X²+12=0 C) x²+3x+3x-9-12+x²=0 X²+x²+6x²-21=0 2x²+6x²-21=0 8x²-21=0