標題:

help!!!我有數學唔識!!!

發問:

(1.) Solve 3(2x2-1)=3x(x+2) and leave your answer in surd form。 (2.) If K is a root of the quadratic equation 6x2+3kx-4=0,find the valies of K。 (3.) Solve (3x+4)2-6(3x+4)-72=0 (4.) Solve 3√x=2x+1 (5.) Solve √((x+1)(x+8)) +4 = 2x (我要詳細的步驟)

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