(c)Simplify the expression and find the value
When, a=-1, b=-2
2(a² + ab) + 3 - ab
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3
Answer:
7
Step-by-step explanation:
=>> 2(a² + ab) + 3 - ab
=>> 2[(-1)² + (-1)(-2)] + 3 - (-1)(-2)
=>> 2[1 + 2] + 3 - 2
=>> 2[3] + 1
=>> 6 + 1
=>> 7
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