Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Let equation be - ax2+bx+c=0 Now divide eq. by a, we get, x2+(b/a)x=-(c/a) Now add [1/2*coefficient of x]2 both the sides making it - x2+2*(b/2a)x+(b/2a)2=(b/2a)2-(c/a) Now by id. (A+B)2,we get, [x+(b/2a)]2=[b2-4ac]/4a2
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts