(x^2-7x+11)^8=1
can anyone please solve me this please
Attachments:
Answers
Answered by
2
Answer:
x = -5, -2
Step-by-step explanation:
(x² + 7x + 11)⁸ = 1
x² + 7x + 11 = 1
x² + 7x + 11 -1 = 0
x² + 7x + 10 = 0
x² + 5x + 2x + 10 = 0
x(x + 5) + 2(x + 5) = 0
(x+5)(x+2) = 0
x= -5 and -2
Similar questions