The equivalent expression is required.
The correct options are B. and C.
Algebra
The given expression is 5(x + 10) + x
First we solve for the multiplication operation.
From the distributive law we have
a(b + c) = a × b + a × c
So, here after using the distributive law we get
5(x + 10) + x
= (5 × x) + (5 × 10) + x
= 5x + 50 + x
= 6x + 50
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