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प्रश्न
Simplify: x(x + 4) + 3x(2x2 − 1) + 4x2 + 4
उत्तर
To simplify, we will use distributive law as follows:
\[x\left( x + 4 \right) + 3x\left( 2 x^2 - 1 \right) + 4 x^2 + 4\]
\[ = x^2 + 4x + 6 x^3 - 3x + 4 x^2 + 4\]
\[ = x^2 + 4 x^2 + 4x - 3x + 6 x^3 + 4\]
\[ = 5 x^2 + x + 6 x^3 + 4\]
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