Question

find the value of X equal to 3 by 4 whole square 3,4 by 3 whole square minus 7 equal to 3 by 4 whole square 2x​ plz answer​

Answer 1

Given :   (3/4)x²  -  7   =   2x

To find : Value of x

Solution:

(3/4)x²  -  7   =   2x

=>3x² -  28  = 8x

=> 3x² - 8x  -   28 = 0

=> 3x² + 6x  - 14x  -   28 = 0

=> 3x(x + 2) - 14(x + 2) = 0

=>  (3x  - 14)(x + 2)  = 0

=> x =   14/3  or  x = -2

x =   14/3  or  x = -2

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