Question

Please help ..by using perfect square method. .
and yes if someone can help ne truly by. solving this i will mark them brainliest will follow and will say thanks and thats a promise (can say deal) bus help kardo and there is one other question in my profile please do it too in exchange you will get those points and this deal too so please gyus

Answer 1

Given Equation is  4x^2 + 3x + 5 = 0

= > 4x^2 + 3x = -5

= > x^2 + 3x/4 = -5/4
 
Now, (half the x coefficient)^2 to each side of the expression.

= > x^2 + 3x/4 + (3/8)^2 = -5/4 + (3/8)^2

= > x^2 + 3x/4 + 9/64 = -5/4 + 9/64

= > (x + 3/8)^2 = -71/64

$= \ \textgreater \ x + \frac{3}{8} = \sqrt{ \frac{-71}{64} }$


Therefore the equation has no real roots.


Hope this helps!

Answer 2

Hi,

Please see the attached file!


Thanks