मराठी

Show that x = –2 is a solution of 3x^2 + 13x + 14 = 0.

Advertisements
Advertisements

प्रश्न

Show that x = –2 is a solution of 3x2 + 13x + 14 = 0.

बेरीज
Advertisements

उत्तर

The given equation is 3x2 + 13x + 14 = 0

Putting x = –2 in the given equation, we get 

LHS = 3 × (–2)2 + 13 × (–2) + 14

= 12 – 26 + 14

= 12 + 14 – 26

= 26 – 26

= 0 = RHS 

∴ x = –2 is a solution of the given equation.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Quadratic Equations - TEST YOURSELF [पृष्ठ २४०]

APPEARS IN

आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 4 Quadratic Equations
TEST YOURSELF | Q 34. | पृष्ठ २४०
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×