Question

Ajutatima va rog!

1. -9x+6x
2. 1,8x² - 5,3x²
3. 1,(3)x-2,(6)x
4. 5√5x-6√5x
5. x² + 10x²
6. √18x² - √50x²
7. 10y -13y -18y +7y

Answer 1

1. -3x
2. -3,5$x^{2}$
3.-1,(3)x
4. -√5x
5.11$x^{2}$
6.3√2$x^{2}$-5√2$x^{2}$=-2√2$x^{2}$
7.-14y