Question

Perkalian aljabar pliis dikumpulin besook tolong dong rivi minta caranyaa trimakasihbanyak :)

Answer 1

(x-5)(x-3)=x²-3x-5x+15
               =x²-8x+15
(x+1)(x-4)=x²-4x+x-4
                =x²-3x-4
(5x-2)(7x-3)=35x²-15x-14x+6
                   =35x²-29x+6
(2x+7)(5x-6)=10x²-12x+35x-42
                    =10x²+23x-42
(x-5)(x+3)=x²+3x-5x-15
                =x²-2x-15