Simplify each expression by collecting and combining like terms.
$3 x^{2} + 4 x^{2} - 2 x^{2}$

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Solution

Simplify the expression.
Given, $3 x^{2} + 4 x^{2} - 2 x^{2}$
As, the expression in like terms. So, add them with using distribution law.
$= 3 x^{2} + 4 x^{2} - 2 x^{2} = (3 + 4 - 2) x^{2} = 5 x^{2}$
Hence, the simplify of $3 x^{2} + 4 x^{2} - 2 x^{2}$ is $5 x^{2}$ .

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