Respuesta :
Answer:
x = - [tex]\frac{3}{2}[/tex], x = 1
Step-by-step explanation:
Given
2x² + x - 1 = 2 ( subtract 2 from both sides )
2x² + x - 3 = 0 ← in standard form
(2x + 3)(x - 1) = 0 ← in factored form
Equate each factor to zero and solve for x
2x + 3 = 0 ⇒ 2x = - 3 ⇒ x = - [tex]\frac{3}{2}[/tex]
x - 1 = 0 ⇒ x = 1
Answer:
x= -3/2 or 1
Step-by-step explanation:
2x^2 +x-1=2
2x^2 +x-3=0
(2x+3)(x-1)=0
2x+3=0 x-1=0
2x= -3 x=1
x= -3/2 x=1