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Which algebraic expression will solve for the blue area of this square figure?

A. -12x
B. -2x+30
C. 10x+18
D. 20x

Which algebraic expression will solve for the blue area of this square figure? A. -12x-example-1
User Mgild
by
6.4k points

1 Answer

7 votes

Answer:

Option B.
-2x+30

Explanation:

we know that

The blue area is equal to the area of complete rectangle minus the area of the white rectangle

so


A=(5+3x)(6)-(5)(4x)\\\\ A=(30+18x)-(20x)\\ \\A=-2x+30

User Vakiliy
by
7.8k points