Question

c) 8(x+1)-4(x-3) < 3(x+12)
d) (x+2)la puterea2. - 3(x+4)>(x+3)(x-5)-2

Va rog,ajutati-ma ! :((

Answer 1

c)8x+8-4x+13<3x+36
x<15
x apartine {14,13...} daca x apartine lui Z
d)x la puterea a 2-a+ 4x+4-3x-12>x la puterea a 2-a -2x-17
(x la puterea a 2-a se simplifica)
4x+4-3x-12>-2x-17
3x>-21+12
3x>-8
x>-8:3