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ахарн
@ахарн
July 2022
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вычислит уровнение пожалуйста
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dianachernova1
5(x+2)+(3-2x)(2x+3)=10(2x+3)(x+2)
5x+10+9-4x^2=20x^2+40x+30x+60
-4x^2+5x+19=20x^2+70x+60
-24x^2-65x-41=0
24x^2+65x+41=0
D=b^2-4ac
D=4225-3936=289=17^2
x1=(-b+-D^1/2)/2a
x1=-65+17/48=-48/48=-1
x2=-65-17/48=-82/48=-41/24
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Answers & Comments
5x+10+9-4x^2=20x^2+40x+30x+60
-4x^2+5x+19=20x^2+70x+60
-24x^2-65x-41=0
24x^2+65x+41=0
D=b^2-4ac
D=4225-3936=289=17^2
x1=(-b+-D^1/2)/2a
x1=-65+17/48=-48/48=-1
x2=-65-17/48=-82/48=-41/24