URGENTT! AM NEVOIE PENTRU IN JUMATATE DE ORA VA ROG!
7. Calculaţi, utilizând formulele de calcul prescurtat:
a) 2(3x - 4)2 - 3(2x - 5)(2x + 5) - 4(x + 3)2 - (2x - 3)(3x + 2);
b) 2(3x - 1)2 - 3(2x + 3)2 – (4x - 3)2 + 2(x - 2)(3x + 1);
c) (2x + 5)2-(3x - 7)2-(3-2x)2 - (5 - 3x)(5 + 3x);
d) (2 – 3x)2 – (3 – 5x)2 – (4 - x)2 + (4x – 3)(4x + 3);
e) 3(x + 3)2 - 2(2x - 7)2 + 4(3x - 1)(2x + 5).

ps : cand scrie ")2" este la puterea a 2 a​

Smile Life

Show life that you have a thousand reasons to smile

Get in touch

© Copyright 2024 DOKU.TIPS - All rights reserved.