(a)
4xy - 7xy - 6ry + 2yz - 4yz - 3yz?
a² + ab + b + a + b2 - ab + 3
(b)
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0
Answer:
Step-by-step explanation:
Adding the given terms, we have
(i) 7abc + (-5abc) + (9abc) + (-8abc)
= 7abc – 5abc + 9abc – 8abc
= (7 – 5 + 9 – 8)abc
= (16 – 13)abc
= 3abc
(ii) 2x2y +(-4x2y) + (6x2y) + (-5x2y)
= 2x2y - 4x2y + 6x2y - 5x2y
= (2- 4 + 6 - 5) x 2y
= (8 - 9) x 2y
= -x2y
Answered by
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answer : 1. = (16 - 13) abc
answer : 2.= (8 - 9) x 2y
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