Question

$x \times x - x \div4 =$
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Answer 1

Resposta:

$x \times x - x \div 4 = x {}^{2} - x \div 4 \\ se \: x \: for \: igual \: a \: 2.vamos \: colocar \: 2 \: onde \: tiver \: x \\ 2 {}^{2} - 2 \div 4 = 4 - 2 \div 4 \\ 2 \div 4 = \frac{1}{2}$