Math, asked by ashvinshaw, 1 month ago

(2 + 3) (z-3) - z (z + 5) = 6

Answers

Answered by Tris090

1

Answer:

z=-3

Step-by-step explanation:

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Answered by chordiasahil24

1

Step-by-step explanation:

(5) (z-3) - z² + 5z = 6

5z - 15 - z² + 5z = 6

z² -10z + 21

z² - 3z - 7z + 21 = 0

z(z-3) -7(z-3) = 0

so,

z= - 3

or

z=-7

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