The value of the given expression is -15 - 3y
In maths, when there are terms in the bracket, it means we are to multiply the terms in the brackets by each other. This means that 5 + y would be multiplied by -3.
Multiplication is the process of determining the product of a set of numbers.
(5 + y)(–3) = -15 - 3y
To learn more about multiplication, please check: https://brainly.com/question/1114498
