48t2−(12t−4)⋅(4t+1)=−2...

polina20043503 @polina20043503

July 2022 1 9 Report

48t2−(12t−4)⋅(4t+1)=−2

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tatsach 48t²−(12t−4)⋅(4t+1)=−2
48t²-48t²-12t+16t+4=-2
-12t+16t=-2-4
4t=-6
t=-6:4
t=-1.5

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polina20043503 реши

polina20043503 только ответ

tatsach 12t^2−12t^2-4t+9t+3=-2;9t-4t=-2-3;5t=-5;t=-5:5;t=-1

polina20043503 всё ок

polina20043503 (13y+1)⋅(2y−4)=(26y−5)(y+1)

polina20043503 помоги

tatsach 26y^2-52y+2y-4=26y^2+26y-5y-5;26y^2-52y+2y-26y^2-26y+5y=4-5=-71y=-1; у=-1:71;у=-1/71

polina20043503 0,2d(2d2−3)(3d2+10)

polina20043503 помоги

tatsach =(0.4d^3-0.6d)(3d^2+10)=1.2d^5+4d^3-1.8d^3+6d=1.2d^5+3.2d^3+6d

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