Simplify the expression and find its value when a = 5 and b=-3.
2(a² + ab) + 3 - ab
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Answered by
6
Answer:
38
Step-by-step explanation:
Given , a = 5 and b = -3
2(a² + ab) + 3 - ab
= 2 { (5)² + (5)(-3) } + 3 - (5)(-3)
= 2 (25 + (-15) + 3 - (-15)
= 2 ( 25 - 15 ) + 3 + 15
= 2 × 10 + 18
= 20 + 18
= 38.
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