(5x+7y)(2x-3y)=10x² −15xy+14xy−21y²=10x² −xy−21y²
(5x+7y)(2x-3y)=10x²+14xy −15xy−21y²=10x² −xy−21y²
Объяснение:
(5x+7y)(2x-3y)=10x² −15xy+14xy−21y²=10x² −xy−21y²
(5x+7y)(2x-3y)=10x²+14xy −15xy−21y²=10x² −xy−21y²
Объяснение: