Question

Чx²- 3x-5=0 by completing square​

Answer 1

Step-by-step explanation:

4x2+3x+5=04x2+3x+5=0

dividing both side by 4

4x2+3x+54=044x2+3x+54=04

x2+34x+54=0x2+34x+54=0

x2+2(38)x+54=0x2+2(38)x+54=0

x2+2(38)x+(38)2−(38)2+54=0x2+2(38)x+(38)2-(38)2+54=0

(x+38)2=669−54(x+38)2=669-54

(x+38)2=−7164(x+38)2=-7164

so, the equation is not having no real roots.

this is similar to ur question u can understand