Simplify 3 square root of 5 end root minus 2 square root of 7 end root plus square root of 45 end root minus square root of 28.

The simplified expression is

Step-by-step explanation:

We have been given the expression

Let us rewrite the numbers inside the square root as a product of two numbers in which at least one of them is a perfect square.

Now, we know that

Thus, we have

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

step-by-step explanation:

i am only able to answer the first part. i am not sure about the second part. sorry

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step-by-step explanation: