Effectue les operations et reuis si possible. 4m³-7m³+2m³= 4a-5b+11a= -(2t+1)-3t= 8y.3y= -5a.(-x+2)= (3x-2).(2x-5)=

[tex]4m^3-7m^3+2m^3=-1m^3 [/tex]

[tex]4a-5b+11a =15a-5b[/tex]

[tex]8y*3y=24y^2[/tex]

[tex]-5a*(-x+2) =5ax-10a[/tex]

[tex](3x-2)*(2x-5) \\ =6x^2-15x-4x+10 \\ =6x^2-19x+10[/tex]

Effectue les opérations et réduis si possible

4m³ - 7m³ + 2m³
= 6 m³ - 7 m³
= - 1 m³

4a - 5b + 11a
= 11a + 4a - 5b
= 15a - 5b

- (2t + 1) - 3t
= - 2t - 1 + 3t
= - 2t + 3t - 1
= t - 1

8y . 3y
= 24y²

- 5a . (-x + 2)
= 5ax - 10a

(3x - 2) . (2x - 5)
= 6x² - 15x - 4x + 10
= 6x² - 19x + 10