Question

Bantuuu dong,butuh bantuan :')

Answer 1

25^(3x² +4x + 3 ) ≤ (5^ -1)^(5x - 4x²)
(5^2)^( 3x² + 4x + 3) ≤ 5^( 4x² - 5x)
5^(6x² + 8x + 6 ) ≤ 5^(4x² - 5x)
6x² + 8x + 6 ≤ 4x² - 5x
6x² + 8x + 6 -  4x² + 5x ≤ 0
2x² + 13x +  6 ≤0
( 2x + 1)(x + 6) ≤0
x = -1/2  ∧  x= -6

maka nilai  -6 ≤ x ≤ -1/2