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prozapasnastya
@prozapasnastya
June 2022
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Даю 20 балів допоможіть будь-ласка
4(3у+1)² -27=(4у+9)(4у-9)+2(5у+2)(2у-7)
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гюйс
Verified answer
4(3у+1)² -27=(4у+9)(4у-9)+2(5у+2)(2у-7)
4(9у²+6у+1)-27=16у² -81+2(10у² -31у-14)
36у²+24у+4-27=16у²-81+20у²-62у-28
24у+62у= 86
86у=86
у=1
0 votes
Thanks 1
prozapasnastya
Ти мені дуже допоміг
гюйс
)))
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Verified answer
4(3у+1)² -27=(4у+9)(4у-9)+2(5у+2)(2у-7)4(9у²+6у+1)-27=16у² -81+2(10у² -31у-14)
36у²+24у+4-27=16у²-81+20у²-62у-28
24у+62у= 86
86у=86
у=1