Question

b)

c) S = (-2, -4)

d) (5, - 2)

SE ALGUÉM FEIZ PFV ME AJUDE​

Answer 1

8^(x²-x) = 4^(x+1)

2^3(x²-x) = 2^2(x+1)

3(x²-x) = 2(x+1)

3x²-3x = 2x+2

3x² -5x -2=0

∆= 25+24=49 => √∆=7

x= -b±√∆/2a

x= 5±7/2.3

x' = 5+7/6 = 12/6 = 2 ✓

x" = 5-7/6 = -2/6 = -1/3 ✓