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Ionutadelinvisi
a fost răspuns

-Efectuati reducand termenii asemenea:
A) (12X²-3)+(8a+5X²)-(5a-10).
B) (X+2X²-3)-(-4-5X²+8X)+(7X+10-9X²).
C) 4a-13m-(8a-12m)+m-(2a-17)+15-4a-10m.
-Vreau rezolvarea completa !


Răspuns :

A) (12X²-3)+(8a+5X²)-(5a-10)=
12x²-3+8a+5x²-5a+10=
17x²+3a+7

B) (X+2X²-3)-(-4-5X²+8X)+(7X+10-9X²)=
x+2x²-3+4+5x²-8x+7x+10-9x²=
-2x²+11

C) 4a-13m-(8a-12m)+m-(2a-17)+15-4a-10m.=
4a-13m-8a+12m+m-2a+17+15-4a-10m=
-10a-10m+32=-2(5a+5m-16)

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