Math, asked by hlfzirzryx, 20 days ago

(3x ^ 2 * y + ab - 2z) + (- 8z + 9ab - 3x ^ 2 * y)

Answers

Answered by uttambera538

1

(3x² × y + ab - 2z) + (-8z + 9ab - 3x² × y)

= 3x² × y + ab - 2z - 8z + 9ab - 3x² × y

= 3x²y + ab - 2z - 8z + 9ab - 3x²y

= (+3 - 3)x²y + (1 + 9)ab + (-2 - 8)z

= 10ab - 10z

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