唔該幫下手我真係唔識,我己經做咗識個d
Solve the following quadratic equations
1. (1-2x)^2-144=0
2. x(80-2x)=700
3. (3x-1)(x+5)=30
4. 3x-3/x=8
5. 2x+3=5/(4-x)
6. 1/(5-x)-1/(1-x)=1
7. 3/(8=x)+3/(8-x)=1
呢到開始係未教,但唔知點解叫我地做
Convert the following equations in the form(x-m)^2=n.Hence,solve the equation(Leave your answers in the surd form if necessary)
8. x(x-6)+4=0
9. 16(x^2+4)=64x+9
10. 2(x+1)(x-1)=5x+4
11.(2x+3)(x-4)=3x-2
Solve the following quadratic equations using an appropriate method.(Leave your answers in surd form if necessary)
12. x(6x-5)=4
13. 3(x^2-1)=2x/3
14. (2x+1)(3x-1)=4(x-1)(2x+1)
15. (x-1)^2+4(x-1)+4=0
