What is 6c^2+2.5d-d+2c^2-3d ?

The solution to 6c^2+2.5d-d+2c^2-3d is 8c^2-1.5d

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simplify 6c^2+2.5d-d+2c^2-3d

simplify

6 c^{2} + 2.5 d - d + 2 c^{2} - 3 d

8 c^{2} - 1.5 d

Solution steps

6 c^{2} + 2.5 d - d + 2 c^{2} - 3 d

Group like terms

= 6 c^{2} + 2 c^{2} + 2.5 d - d - 3 d

Add similar elements:

6 c^{2} + 2 c^{2} = 8 c^{2}

= 8 c^{2} + 2.5 d - d - 3 d

Add similar elements:

2.5 d - d - 3 d = - 1.5 d

= 8 c^{2} - 1.5 d

(\cdot + 3)^{2}

(t + y - 3 w) (t + y + 3 w)

(- 3 ab - 8 a) - (- 5 a - 6 ab)

\frac{6}{- 12}

\frac{x ^{3} x ^{5}}{y ^{9} y ^{5}}