Question

$x - \sqrt{121 \div {2}^{ - 2 } } + 16 \times 22 = 529 + 51$
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Answer 1

Answer:

x is 250

Step-by-step explanation:

x- root 121÷1/4  + 16*22 = 580   (2^-2 = 1/4)

x - root 121*4   + 352 =580

x - root 484 = 228

x-22 = 228

x= 250

Answer 2

Answer:

$x=-960$

Step-by-step explanation:

$x-\sqrt{121\div 2^{-2} } +16\times 22=529+51\\=>x-\sqrt{121\div (\frac{1}{2^{2} }) } +16\times22=580\\=>x-\sqrt{121 \times 2^{2} } +16\times 22=580\\=>x-\sqrt{11^{2}\times 2^{2} } +1562=580\\=>x-11\times 2=580-1562\\=>x-22=-982\\=>x=-982+22\\=>x=-960$

Verification-

$-960-\sqrt{121\div 2^{-2} } +16\times 22=529+51\\=>-960-11\times 2+1562=580\\=>-960-22+1562=580\\=>-982+1562=580\\=>580=580$