3x – 2y – xy – (x – y + xy) + 3xy + b – a
class 7
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3x – 2y – xy – (x – y + xy) + 3xy + b – a
class 7
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sorry don't have a copy
Answer:
helo guys its your answer
Step-by-step explanation:
(i) x3 -2x2y + 3xy2- y3, 2x3- 5xy2 + 3x2y - 4y3. (ii) a4 - 2a3b + 3ab3 + 4a2b2 + 3b 4, - 2a4 - 5ab3 + 7a3b - 6a2b2 + b4 ... Question: 19. How much is x – 2y + 3z greater than 3x + 5y – 7? ... How much is x2 − 2xy + 3y2 less than 2x2 − 3y2 + xy?(a) 3x-2y-xy-(x-y+xy)+3xy+y-x (b) ... 2x3-5xy2+3x2y-4y3 (ii) a2-2a3b+3ab3+4a2b 2+3b4,-2a4-5ab3+7a3b-6a2b2+b4.