What is a^2+1-3a+2a^2+2a ?

The solution to a^2+1-3a+2a^2+2a is 3a^2-a+1

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simplify a^2+1-3a+2a^2+2a

simplify

a^{2} + 1 - 3 a + 2 a^{2} + 2 a

3 a^{2} - a + 1

Solution steps

a^{2} + 1 - 3 a + 2 a^{2} + 2 a

Group like terms

= a^{2} + 2 a^{2} - 3 a + 2 a + 1

Add similar elements:

a^{2} + 2 a^{2} = 3 a^{2}

= 3 a^{2} - 3 a + 2 a + 1

Add similar elements:

- 3 a + 2 a = - a

= 3 a^{2} - a + 1

(2 x + 5) (7 - 4 x)

12 \cdot (- 1 + 5)

csc (x) cos (x)

\frac{9 y + 3 x}{2} - \frac{9 y - 3 x}{2}

\frac{x ^{2} - x - 6}{x ^{2} + 2 x} \cdot \frac{x ^{3} + x ^{2}}{x ^{2} - 2 x - 3}