Perform the indicated operations.
-$8 \sqrt { 5 } - \sqrt { 5 }$
A) $8 \sqrt { 5 }$
B) 0
C) $7 \sqrt { 5 }$
D) $7 \sqrt { 10 }$

Name: Perform the indicated operations. -$8 \sqrt { 5 } - \sqrt { 5 }$ A) $8 \sqrt { 5 }$ B) 0 C) $7 \sqrt { 5 }$ D) $7 \sqrt { 10 }$
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Quizplus · Accepted Answer

This is a simple subtraction problem involving like terms. Both terms have $\sqrt{5}$ in them, so you can combine them just like you would with variables. $8\sqrt{5} - \sqrt{5} = 7\sqrt{5}$.

Perform the Indicated Operations 85−58 \sqrt { 5 } - \sqrt { 5 }85​−5​

Perform the Indicated Operations $8 \sqrt { 5 } - \sqrt { 5 }$