Question

simplify the expression 2 (a²+ab)-ab and find its value if a=5 and b=2

Answer 1

Heya ✋

Let see your answer !!!!!

Given that

a = 5 ; b = 2

Solution
$2(a ^{2} + ab) - ab \\ = 2(5 ^{2} + 5 \times 2) - 5 \times 2 \\ = 2(25 + 10) - 10 \\ = 2 \times 35 - 10 \\ = 70 - 10 \\ = 60$
Thanks :)))))