Evaluate -7 square root of 145-136

Problem

−7√(,145−136)

Solution

1. Subtract the numbers inside the square root (the radicand).

145−136=9

2. Substitute the result back into the expression.

−7√(,9)

3. Evaluate the square root of 9.

√(,9)=3

4. Multiply the constant by the result of the square root.

−7⋅3=−21

Final Answer

−7√(,145−136)=−21

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