Question

12. From the sum of 4 + 3x and 5 - 4x + 2x2, subtract
the sum of 3x2 – 5x and -x + 2x + 5.
13. From the sum of x² + 3y2 – 6xy, 2x2 - y2 + 8xy +
y? + 8 and x2 - 4xy subtract the sum of –3x² + 4y2
+ 3 and 4y2 – 5.
14. From the sum of 3x2 - 4x + 2 and -5x² + 8x–7
subtract -6x2 + 7x – 5.
15. How much does x2 - xy + 4b2 exceed
- 2x2-7xy + 5b-​

Answer 1

Answer:

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