Question

answer all these questions quickly​

Answer 1

Answer:

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Answer 2

$\mathfrak{friend \: your \: 19th \: questions \: answer} \\ \red{write \: the \: zeros \: of \: 100 {x}^{2} - 81 } \\ answer : \\ \green{100 {x}^{2} - 81 = 0} \\ \green{(10x) {}^{2} - {9}^{2} = 0 } \\ \green{(10 {x}^{}) {}^{2} = 81 } \\ \green{10x = \frac{ + }{} \sqrt{81} } \\ \green{x = \frac{ + }{} \frac{9}{10} } \\ \green{so \: your \: answer \: will \: be \: + 0.9 \: or \: - 0.9 \: }$

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