ա) P(-7) = 0
(x + 7)(x2 + 10)
x = -7
բ) P(-8) = 0
(x + 8) (x2 — 4)
x = — 8
x = +- 2
գ) (x + 5) (2x2 — 2)
դ) 9x2 (x2 — 2x + 1) = 0
x2 — 2x + 1 = 0
x = 1
___
9x2 = 0
x = 0
___
ե) x3 (x — 5) + (x — 5) = 0
(x — 5) (x3 + 1) = 0
x = 5
x = -1
զ) (x + 3)(x3 — 8) = 0
x = -3
x = 2
ա) -5, 7
բ) -8
գ) 0
դ) 4, 3
ե) 5
զ) 0, 5
ա) x2 + x + 4x + 4 = 0
x(x + 1) + 4(x + 1) = 0
(x + 1)(x + 4) = 0
x = -1
x = -4
բ) x(3x + 5) = 0
x = 0
x = -5/3
գ) x = -11
x = -4
դ) x(x2 + 1) = 0
x = 0
x = ∅
ե) x(x2 — 1) = 0
x = 0
x = +- 1
զ) x2(2 + x) = 0
x = 0
x = -2
է) x2(4 + 5x2) = 0
x = 0
x = ∅
~ Կարոլինա Եսայանի ուսումնական բլոգ ~ 