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coffeek00
@coffeek00
June 2023
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a² + 9a - 36 = 0
помогите пожалуйста!!!
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Hisbn
Verified answer
a(2) +9a-36=0
2(2)+12a-3a-36=0
a×(a+12)-3a+12=0
a+12 × a-3=0
a+12=0
a-3=0
a=-12
a=3
2 votes
Thanks 1
Hisbn
а(2) это квадрат
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Answers & Comments
Verified answer
a(2) +9a-36=02(2)+12a-3a-36=0
a×(a+12)-3a+12=0
a+12 × a-3=0
a+12=0
a-3=0
a=-12
a=3