SOLUTION: how do you solve 2 sqrt 50 - 3 sqrt 128

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Question 666125: how do you solve 2 sqrt 50 - 3 sqrt 128
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
The key is to break the square root into a perfect square times another number.
sqrt%2850%29+=+sqrt%282%2A25%29+=+sqrt%282%29%2Asqrt%2825%29+=+5%2Asqrt%282%29
sqrt%28128%29+=+sqrt%282%2A64%29+=+sqrt%282%29%2Asqrt%2864%29+=+8+%2Asqrt%282%29
2sqrt%2850%29+-+3sqrt%28128%29%29