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OLga [1]
3 years ago
10

Can someone help me work this problem?

sqrt{2} +8=x+4" alt="\sqrt{2} +8=x+4" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
const2013 [10]3 years ago
5 0
\sqrt{2x} + 8 = x + 4 \\ \sqrt{2x} =x - 4 \\ 2x = {x}^{2} - 8x + 16 \\ {x}^{2} - 10x + 16 = 0 \\ - (x - 2)(x - 8) = 0 \\ x = 8
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