Question

x(x + 5) + 12 ≥ 4(x + 3)

Answer 1

x(x+5)+12≥4(x+3)

x²+5x+12≥4x+12

x²+5x-4x≥12-12

x²+x≥0

x+x≥√0

2x≥0

x≥0/2

x≥0