Question

$(x2 + 3x) + ( - 2x + 2x {2}^{2}$
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Answer 1

Respuesta:

$4x^4-8x^3+5x^2+3x$

Explicación paso a paso:

$x^2+3x+\left(-2x+2x^2\right)^2\\\\x^2+3x+\left(-2x\right)^2+2\left(-2x\right)\cdot \:2x^2+\left(2x^2\right)^2\\\\x^2+3x+4x^2-8x^3+4x^4\\\\4x^4-8x^3+x^2+4x^2+3x\\\\4x^4-8x^3+5x^2+3x$