21x²=4(2x+1) solve the equation
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12
Hello !
Here is your answer :-
21x² = 4(2x+1)
21x² = 8x +4
21x²-8x-4 = 0
21x² - (14-6)x -4 = 0
21x²-14x+6x-4 =0
7x ( 3x-2) + 2(3x-2) = 0
(7x+2) (3x-2) = 0
x = -2/7 or 2/3
Here is your answer :-
21x² = 4(2x+1)
21x² = 8x +4
21x²-8x-4 = 0
21x² - (14-6)x -4 = 0
21x²-14x+6x-4 =0
7x ( 3x-2) + 2(3x-2) = 0
(7x+2) (3x-2) = 0
x = -2/7 or 2/3
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4
hope this helps you....
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