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what is the simplelest form of the following expression? 6c^2+2.5d-d+2c^2-3d a) 4c^2-1.5d b)6c^2+0.5d c)8c^2-1.5d d)8c^2+1.5d

Verified Answer :

MissPhiladelphia

6c^2 + 2.5d - d + 2c^2 - 3d combine like terms 6c^2 + 2c^2 = 8c^2 2.5d - 1d - 3d = 2.5d - 4d = - 1.5d now put them together 8c^2 - 1.5d any questions ?

Answer:

The correct option is c.

Step-by-step explanation:

The given expression is

\(6c^2+2.5d-d+2c^2-3d\)

Like terms are those terms which have same variable having same degree.

On combining like terms we get

\((6c^2+2c^2)+(2.5d-d-3d)\)

On simplification we get

\((8c^2)+(-1.5d)\)

\(8c^2-1.5d\)

The simplest form of given expression is \(8c^2-1.5d\).

Therefore the correct option is c.

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