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Online Quiz (Worksheet A B C D)

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Grade 6 - Mathematics
12.44 Subtraction of Trinomials - I

Example: Subtract 3a2+2ab+5b2 from 9a2+7b2.
Solution: (9a2+7b2) - (3a2+2ab+5b2)
= 9a2 + 7b2 - 3a2 - 2ab - 5b2
= 6a2+2b2+2ab.
Directions: Given the following trinomials, solve the subtraction problems given in the questions.
A = x+y-z
B = y+z-x
C = z+x-y
D = 2x+3y-z
E = 7x-8y
Q 1: C - A = _____ ?

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