Solve the equation without the use of a calculator. please Help!!! Thank you!!!
12x^3-30x=8-2x^2
1 answer:
12x^3 +2x^2-30x = 8
2x( 6x^2 +x -15) = 8
so 2x= 8, x=4
(2x) ( 2x-3) ( 3x+5) = 8
2x-3 = 8
2x= 11
x= 5.5
3x+5=8
3x= 3
x=1
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