Answer:2\sqrt(5)+9\sqrt(7)
Step-by-step explanation:
2\sqrt(20)-3\sqrt(7)=4\sqrt(5)-3\sqrt(7)
4\sqrt(5)-3\sqrt(7)-2\sqrt(5)=2\sqrt(5)-3\sqrt(7)
2\sqrt(5)-3\sqrt(7)+4\sqrt(63)=2\sqrt(5)+9\sqrt(7)
Answer:
sorry! i needz de coinzs but anyways good luuck bro -hiihihihihi
Step-by-step explanation:
Coefficient is a number written before a variable. in this case that's one sum therefore the answer is 6