運用因式法解下列各方程。
1.2(2a-1)^2 = 3(2a-1)
2.4(1-c)^2-25 = 0
3.(x-1)(2x-3) = -8x+12
以取平方根法解下列各方程。
4.2(5-2a)^2 = 10
5.4(8-3y)^2=24
6.(3-7h)^2+8 = 25
7.36-25(1+3c)^2=0
利用二次公式解下列各方程。
8.2x^2 = 5x+4
9.3x^2 = 8-7x
10.x(x-10) = -25
11.5 = x(2x+3)
12.(-3x+5)(x+2) = 14-2x
13.(3-5x)(1-x) = 4-3x
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