Question

3a 2 + 5b 2 - 2ab +4a -3b2 -a²

Answer 1

Conta:

3a 2 + 5b 2 - 2ab +4a -3b2 -a²

6a + 10b - 2ab + 4a -6b -a²

10a +4b -2ab -a²

Resposta: 10a + 4b -2ab - a²

Answer 2

$3a {}^{2} + 5b {}^{2} - 2ab + 4a - 3b {}^{2} - a {}^{2} \\ 2a {}^{2} + 5b {}^{2} - 2ab + 4a - 3b {}^{2} \\ \boxed{\boxed{\boxed{2a {}^{2} + 2b {}^{2} - 2ab + 4a}}}$

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