100x²-36c²
Объяснение:
10x(10x+6c)-6c(10x+6c)=100x²+60xc-60xc-36c²=100x²-36c²
10 × ( 10x + 6c ) - 6c ( 10x + 6c ) = 100x² + 60xc - 60xc - 36c² = 100x²- 36c².
100x²- 36c².
100x²-36c²
Объяснение:
10x(10x+6c)-6c(10x+6c)=100x²+60xc-60xc-36c²=100x²-36c²
10 × ( 10x + 6c ) - 6c ( 10x + 6c ) = 100x² + 60xc - 60xc - 36c² = 100x²- 36c².
ответ:100x²- 36c².