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IsabellaJane
@IsabellaJane
July 2022
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Света19999
Verified answer
1,2x - 0,5x^2 = 4x^2 - 0,8x
2x - 4,5x^2 = 0
45x^2 - 20x = 0
9x^2 - 4x = 0
x(9x - 4) = 0
x =0
or
x = 4/9
0,6x^2 + V3x = 0
x(0,6x + V3) = 0
x =0
or
x = -5V3/3(V- корень)
9x^2 - 10x = 7x^2 - 15x
2x^2 + 5x = 0
x(2x + 5) = 0
x = 0
x = -2,5
2/3x^2 = 5x
2x^2 - 15x = 0
x(2x - 15) = 0
x = 0
x = 7,5
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Answers & Comments
Verified answer
1,2x - 0,5x^2 = 4x^2 - 0,8x2x - 4,5x^2 = 0
45x^2 - 20x = 0
9x^2 - 4x = 0
x(9x - 4) = 0
x =0
or
x = 4/9
0,6x^2 + V3x = 0
x(0,6x + V3) = 0
x =0
or
x = -5V3/3(V- корень)
9x^2 - 10x = 7x^2 - 15x
2x^2 + 5x = 0
x(2x + 5) = 0
x = 0
x = -2,5
2/3x^2 = 5x
2x^2 - 15x = 0
x(2x - 15) = 0
x = 0
x = 7,5