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Evaluate √7x(√x-7√7

pls & thanks!

Evaluate √7x(√x-7√7 pls & thanks!-example-1

1 Answer

1 vote

Answer:


x√(7) - 49√(x)

Explanation:


\begin{array}{rcl}√(7x)(√(x) - 7√(7)) & = & √(7x)*√(x)- 7√(7)*√(7x) \\ & = & √(7)*√(x)*√(x) - 7√(7)*√(7)*√(x)\\& = & √(7)* x - 7* 7*√(x)\\& = &\mathbf{ x√(7) - 49√(x)}\\\end{array}

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