Simplify the expression by combining like terms.
-$4 y ^ { 7 } + 7 y ^ { 7 }$
A) $11 y ^ { 14 }$
B) $- 3 y ^ { 7 }$
C)Cannot be simplified
D) $11 y ^ { 7 }$

Question

Quizplus · Accepted Answer

When combining like terms, you add the coefficients of the terms that have the same variable raised to the same power. Here, both terms are $y^7$, so you add their coefficients: $4 + 7 = 11$, resulting in $11y^7$.

Simplify the Expression by Combining Like Terms 4y7+7y74 y ^ { 7 } + 7 y ^ { 7 }4y7+7y7

Simplify the Expression by Combining Like Terms $4 y ^ { 7 } + 7 y ^ { 7 }$