932) -х-3х ≥ 5-3
-4х ≥ 2
х ≤ -0,5
Ответ: 3)
935) 5х + 4х < 6+12 -9
9х < 9
х< 1
Ответ: 3)
(а-3b)^2+(3a+b)^2= 1<span>а</span>²<span>- 6ав +9в</span>²<span>+9a</span>²<span>+6ав +1в</span>² = 10а² +10в²=10(а²+в²)
0.5x+x²-1.5x³= x(0.5+x-1.5x²)
a²b-2a³b²+3ab³-ab²= ab(a-2a²b+3b²-b)
-m²x+4mx²+3m³= m(-mx+4x²+3m²)
0.7x³-1.4²+2.1x-2.8x⁴= 0.7(x³-2²+3x-4x⁴)
4x^2+6x+16x=14
4x^2+22x-14=0
2(2x^2+11x-7)=0