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Simplify the expression and find its value when a = 5 and b = -3.
2 (a² + ab ) + 3ab
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Answer:
a=5, b= -3
2(a^2+ab) + 3ab
2[5^2+5 × (-3)] + 3 [5 × (-3)]
2[25-15] + 3 × ( -15 )
2×10-45
20-45
= -2
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