3x² - [ 4xy² - { 6x²y - (9xy² - 4x²y )}]
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Answer:
3x² - [ 4xy² - { 6x²y - (9xy² - 4x²y )}]= 3x² - 13xy²+ 10x²y
Step-by-step explanation:
3x² - [ 4xy² - { 6x²y - (9xy² - 4x²y )}]
= 3x² - [ 4xy² - { 6x²y - 9xy² + 4x²y}]
= 3x² - [ 4xy² - { 6x²y+ 4x²y - 9xy² }]
= 3x² - [ 4xy² - { 10x²y - 9xy² }]
= 3x² - [ 4xy² - 10x²y + 9xy²]
= 3x² - [ 4xy² + 9xy²- 10x²y]
= 3x² - [ 13xy²- 10x²y]
= 3x² - 13xy²+ 10x²y
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