Question

OR
Simplify the expression and find its value when a = 5 and b = -3.
2 (a² + ab ) + 3ab

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Answer 1

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