How much is -x2 + 7y2 - 3xy less than 2x2 - y2 + xy?

Question

KnowledgeBoat · Accepted Answer

Here, "how much is A less than B," means B is the larger value. Therefore, we subtract A from B (B - A). ∴ Subtract -x2 + 7y2 - 3xy from 2x2 - y2 + xy Hence, the answer is 3x2 - 8y2 + 4xy

Mathematics

How much is -x² + 7y² - 3xy less than 2x² - y² + xy?

Algebraic Expressions

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If x = 2a² + 3b² - 5ab, y = b² - 3a² + 7ab and z = 6a² - b² + ab, find :
(i) x + y - z
(ii) x - y + z

Mathematics

How much is -x2 + 7y2 - 3xy less than 2x2 - y2 + xy?

Algebraic Expressions

Related Questions

Find the excess of 4p2 - 2pq + 3q2 over 2p2 - pq + 4q2.

By how much does 3x3 - 5x2 + 2x - 3 exceed 2x3 - 3x2 + x + 1?

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If x = 2a2 + 3b2 - 5ab, y = b2 - 3a2 + 7ab and z = 6a2 - b2 + ab, find :(i) x + y - z(ii) x - y + z

How much is -x² + 7y² - 3xy less than 2x² - y² + xy?

Find the excess of 4p² - 2pq + 3q² over 2p² - pq + 4q².

By how much does 3x³ - 5x² + 2x - 3 exceed 2x³ - 3x² + x + 1?

How much is x³ - 3x² + 5x - 2 less than 3 - 2x + x² - x³?

If x = 2a² + 3b² - 5ab, y = b² - 3a² + 7ab and z = 6a² - b² + ab, find :
(i) x + y - z
(ii) x - y + z