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Subtract: 5a 2 – 7ab + 5b 2 from 3ab – 2a 2 – 2b 2 Subtract: 5a 2 – 7ab + 5b 2 from 3ab – 2a 2 – 2b 2

Subtract:
 5a 2 – 7ab + 5b 2 from 3ab – 2a 2 – 2b 2
Subtract:
 5a 2 – 7ab + 5b 2 from 3ab – 2a 2 – 2b 2

Grade:12

1 Answers

Anand Kumar Pandey
askIITians Faculty 5608 Points
3 months ago
Dear Student

When term have the same algebraic factors, they are like terms.
Then, we have to subtract the like terms
= 3ab–2a^2–2b^2–(5a^2–7ab + 5b^2)
= 3ab–2a^2–2b^2–5a^2+ 7ab–5b^2
= 3ab + 7ab–2a^2–5a^2–2b^2–5b^2
= 10ab–7a^2–7b^2

​Thanks

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