Algebra (1go zatia)

$$5x^4+7x$$

$$5x^2-7x$$

$$5x^4-x$$

$$5x^2+x$$

$$7x^5+x^3$$

$$9x^6-9x^4$$

$$9x^3-9x^2$$

$$7x^5+11x^5$$

$$6x^3-2x^2-x$$

$$9x^6$$

$$6x^3-2x^5$$

$$4x^3-2x^2-x$$

$$14a^6-2ab$$

$$14a^3-2ab=$$

$$12a^3b$$

$$7a^3-2ab$$

$$2a^2b$$

$$-6ab-4a^2b$$

$$-4a^2b+9ab$$

$$-4a^2b+6ab$$

$$-7xy+8x-3y$$

$$15x^2-17xy$$

$$7xy-8x-3y$$

$$-4a^2b$$

$$-12x$$

$$12x$$

2x+14x

18x

-7x

7x

0

10x

+2x-4y=

3xy

8x-8y

0xy

18x

9x

$$18x^2$$

$$9x^2$$