Question

Tolong lanjutin dong, kan x^2 nya ilang jd gimana

Answer 1

|x+3| ≤ |x-1|
kuadratkan
(x+3)² ≤ (x-1)²
(x+3)² - (x-1)² ≤ 0
[(x+3+x-1)(x+3-x+1)] ≤ 0
(2x + 2) (4) ≤ 0
2x + 2 ≤ 0
2x ≤ -2
x ≤ -1