All my points to whoever can solve this 5z2−9z=−7z−5 solve the following quadratic equation by using the quadratic formula. if needed, submit your answer as a fraction reduced to lowest terms or round your answer to two decimal places. there are 2 different answers

1/5 + 2/5 i sqrt(6) = .2 + .98i

1/5 - 2/5 i sqrt(6) = .2 - .98i

Step-by-step explanation:

5z^2−9z=−7z−5

We need to get all the terms on one side (set the right side equal to zero)

Add 7z to each side

5z^2−9z+7z=−7z+7z−5

5z^2−2z=−5

Add 5 to each side

5z^2−2z+5=−5 +5

5z^2−2z+5=0

This is in the form

az^2 +bz+c = 0 so we can use the quadratic formula

where a = 5   b = -2  and c = 5

-b± sqrt(b^2-4ac)

  2a

-(-2)± sqrt((-2)^2-4(5)5)

  2(5)

2± sqrt(4-100)

10

2± sqrt(-96)

10

2± sqrt(16)sqrt(-1) sqrt(6)

10

2± 4i sqrt(6)

10

1/5 ± 2/5 i sqrt(6)

Splitting the ±

1/5 + 2/5 i sqrt(6) = .2 + .98i

1/5 - 2/5 i sqrt(6) = .2 - .98i

add an image

step-by-step explanation:

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.