Simplify the expression and find its value when a = 5 and b = – 3.
2(a2 + ab) + 3 – ab
Harshit Singh
5 Years agoGrade 12th pass
1 Answer
Harshit Singh
5 Years ago
Dear Student
From the question it is given that a = 5 and b = -3 We have, = 2a2+ 2ab + 3–ab = 2a2 + ab + 3 Then, substitute the value of a and b in the equation = (2 × 52) + (5 × (-3)) + 3 = (2 × 25) + (-15) + 3 = 50 - 15 + 3 = 53–15 = 38