Question

What's the algebraic expression of "the product of 3x and (3x1) is at least 35

Answer 1

$3x(3x) \geq 35 \\\frac{9x^{2}}{9} \geq \frac{35}{9} \\x^{2} \geq \frac{35}{9} \\\sqrt{x^{2}}\geq \sqrt{\frac{35}{9}} \\x \geq \frac{\sqrt{35}}{\sqrt{9}} \\x \geq \frac{\sqrt{35}}{3} \≥$