Simlify as far as possible

(i) 10y-5x+7x-3y-x-2y

(ii) 4(6x-7)-5(2x-3)

Sovle the equation

(i) 8x-9 = 4x-21

(ii) 2(2x-5)=4(2x-1)

(iii) 5-3x

----------- = 5 - x

4

Sovle the quadratic equations

(i) 3x² - x - 2 = 0

(ii) x² - 32 - 4x

I will appreciate if someone can help

thank you