Simplify combining like terms and find the value of the expression
a sq.- ab - b sq. + b(a-b), If a = ( -2), b = 1
Answers
Answered by
1
Answer:
I don't no this question answer
Answered by
0
Answer:
a²-2b²
Step-by-step explanation:
(-2)²-2(1)²
4-2
2
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