Simplify a^2-b^2+a^2+ab+3b^2

$a^{2} - b^{2} + a^{2} + a b + 3 b^{2}$

Step 1

Add $a^{2}$ and $a^{2}$ .

$2 a^{2} - b^{2} + a b + 3 b^{2}$

Step 2

Add $- b^{2}$ and $3 b^{2}$ .

$2 a^{2} + 2 b^{2} + a b$

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