Simplify each of the following algebraic expressions by removing grouping symbols.
a) -2(x2 – y2 + xy) – 3(x2 +y2 – xy)
b) 7. a – [b – {a – (b – 1) + 3a}]
please tell the right answer and fast
Answers
Answered by
1
Answer:
a) -5x2-y2+xy
b) 11a-2b+1
Answered by
0
Answer:
answer b
Step-by-step explanation:
7. a - ( b - ( a - ( b - 1 ) +3a}]
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