Question

Evaluate √7x (√x - 7 √7) show work , please and thank you!!!

Answer 1

`\bf √(7x)(√(x)-7√(7))\implies √(7x\cdot x)-7√(7x\cdot 7)\implies √(7x^2)-7√(7^2x) \\\\\\ x√(7)-7\cdot 7√(x)\implies x√(7)-49√(x)`