The distributive property formula is expressed as,
a × (b + c) = (a × b) + (a × c)
Let us multiply the outside term by both the terms inside the parenthesis,
10(12 + 15)
= (10 × 12) + (10 × 15)
= 120 + 150
= 270
Therefore, the value of 10(12 + 15) = 270
This is the required answer.