Math, asked by humaira2309, 2 months ago

If z = 15, find the value of z²– 3(z – 20).

Answers

Answered by chauhanaaditya43

1

Answer:

thanks thanks thanks thanks thanks thanks thanks thanks

Attachments:

Answered by shizashaheem

1

Answer:

240

Step-by-step explanation:

given: z = 15

∴substituting,

15² - 3 ( 15 - 20 )

225 - 3 x -5

225 + 15 = 240

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