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{x}^(2) - 4x = 7 {x}^(2) + 8x \\ find \: x please fast okkkkkk​
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{x}^(2) - 4x = 7 {x}^(2) + 8x \\ find \: x
please fast okkkkkk​

User Testalino
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Answer:


{x}^(2) - 4x = 7 {x}^(2) + 8x \\ {x}^(2) - 7 {x}^(2) = 8x + 4x \\ - 6 {x}^(2) = 12x \\ - 6x = 12 \\ x = (12)/( - 6) = - 2 \\ x = - 2 \\ thank \: you

User Razican
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