Add. $2 x^{2} - 4 x - 3, 5 x - 6 x^{2} + 2, 6 x - 3 + 5 x^{2}$

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Solution

Find the addition of $2 x^{2} - 4 x - 3, 5 x - 6 x^{2} + 2, 6 x - 3 + 5 x^{2}$
Add all the algebraic expressions by putting plus sign,
$2 x^{2} - 4 x - 3 + 5 x - 6 x^{2} + 2 + 6 x - 3 + 5 x^{2} = 2 x^{2} - 6 x^{2} + 5 x^{2} - 4 x + 5 x + 6 x - 3 + 2 - 3 = x^{2} + x + 6 x - 1 - 3 = x^{2} + 7 x - 4 ∴ 2 x^{2} - 4 x - 3 + 5 x - 6 x^{2} + 2 + 6 x - 3 + 5 x^{2} = x^{2} + 7 x - 4$

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