Math, asked by shaikhyasir2005, 8 months ago

solve the following quadratic equation by completing square method 8x^2-22x-21=0

Answers

Answered by siddhivinayak80

4

Answer:

Solve: 8x2-22x-21=0 by the factorisation method. Solution : We write, -22x=-28x+6x as 8x2×(-21)=-168x2=(-28x)×6x.

Answered by akshitkumarsingh1234

2

Step-by-step explanation:

8x²-22x-21

-b+(b²-4ac)/2a
-8+-67/5

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