Question

Дробно-рациональное выражение: ​

Answer 1

$\frac{4(a-{b}^{2})}{2b-2a} = \frac{2(a-{b}^{2})}{b-a} = \frac{2a-{2b}^{2}}{b-a}$

Answer 2

$\frac{4(a - b {}^{2} )}{2b - 2a} = \frac{4(a - b {}^{2} )}{2(b - a)} = \frac{2(a - b {}^{2} )}{b - a} = \frac{2a - 2b {}^{2} }{b - a}$

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