Answer :
Hello,
[tex]3 \sqrt{5} -2 \sqrt{7} + \sqrt{45} - \sqrt{28}\\\\ = 3 \sqrt{5} -2 \sqrt{7} + 3\sqrt{5} - 2\sqrt{7}\\\\ =6 \sqrt{5} -4 \sqrt{7} [/tex]
[tex]3 \sqrt{5} -2 \sqrt{7} + \sqrt{45} - \sqrt{28}\\\\ = 3 \sqrt{5} -2 \sqrt{7} + 3\sqrt{5} - 2\sqrt{7}\\\\ =6 \sqrt{5} -4 \sqrt{7} [/tex]
Answer:
6√5 - 4√7
Step-by-step explanation:
Simplified from other answer