Question

a=5 , b=3 then 2(a*a+ab)+3-ab is

Answer 1

Answer:

38.

Step-by-step explanation:

Answer

Given: 2($a^{2}$+ab)+3−ab

⇒2$a^{2}$ +2ab+3−ab

⇒2$a^{2}$ +2ab−ab+3

⇒2$a^{2}$ +ab+3

⇒2 $(5)^{2}$+(5)(−3)+3   [Putting a=5,b=−3]

⇒2×25−15+3

⇒50−15+3

⇒38.

Hope it helps :)

Answer 2

Heya!!!

See Attachment

Answer:

2a²+ab-3;38