Question

simplyfy : 5a(a-b+c)+5b(a+b-c) -5c(a-b-c) please help with full method ​

Answer 1

Answer:

= 5a²-5ab+5ac+5ab+5b²-5bc-5ac+5bc+5c² (by simple multiplying term each number with its barcket)

= solving above equation we get

5a²+5b²+5c²

= 5(a²+b²+c²) =Answer