Question

36 меньше либо равно x^2

Answer 1

$36\leq x^2\\\\0\leq x^2-36\\\\x^2-36\geq 0\\\\(x-6)(x+6)\geq 0\\\\znaki:\; \; \; +++[-6\, ]---[\, 6\, ]+++\\\\x\in (-\infty -6\, ]\cup [\, 6,+\infty )$