Question

solve the quadratic equation 2x2-7c+5=0 by completing square method​

Answer 1

Answer:

idont no what is the answer .

Answer 2

Answer:

Step-by-step explanation:

Here

a = 2

b = - 7

c = 5

Now by using quadratic formula

- b ± √ b^2 - 4ac ÷ 2a

= -(- 7 ) ± √ ( -7 )^2 - 4×2×5 ÷ 2×2

= 7± √ 49 - 40 ÷ 4

= 7± √ 9 ÷ 4

= 7+3÷4 , 7 - 3÷4

= 10÷4 , 4÷4

= 5÷2 , 1