Объяснение:
8х³в²/10х²в⁴ = 4х³в²/5х²в⁴ = 4хв²/5в⁴ = 4х/5в²
(2а + 8)/(4а² - 64) = 2(а + 4)/4(а² - 16) =
2(а + 4)/4(а - 4)(а + 4) = (а + 4)/2(а - 4)(а + 4) =
1/2(а - 4) = 1/(2а - 8)
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Verified answer
Объяснение:
8х³в²/10х²в⁴ = 4х³в²/5х²в⁴ = 4хв²/5в⁴ = 4х/5в²
(2а + 8)/(4а² - 64) = 2(а + 4)/4(а² - 16) =
2(а + 4)/4(а - 4)(а + 4) = (а + 4)/2(а - 4)(а + 4) =
1/2(а - 4) = 1/(2а - 8)