Simplify (4x3+3x−5)+(−x3+7−$$2x)(4x^3 + 3x - 5$$) + $$(-x^3 + 7 - 2x).$$

Adding and Subtracting Polynomials

6. Exponents and Polynomials / Adding and Subtracting Polynomials / 문제 3

문제 3

Simplify $(4 x^{3} + 3 x - 5) + (- x^{3} + 7 - 2 x)$ .

$3 x^{3} + x - 2$

$3 x^{3} + x + 2$

$4 x^{3} + x + 2$

$2 x^{3} + x + 2$