The value of the expression is 157.
What is an algebraic expression?
A mathematical expression involving variables, coefficients, constants and algebraic operations like addition, multiplication, subtraction and division is called an Algebraic expression.
For example, 4(x²+3)-2y
What is a factor?
Anything that has been increased by another item. Any integer, variable, term, or lengthier expression can be a factor. For instance, the formula 7x(y+3) contains three factors: 7, x, and (y+3)
What is a term?
Terms make up each expression. A variable, a signed integer, or a constant multiplied by one or more variables can all be considered terms.
How to compute?
Put the values x=-6 and y=-1/2 in 4(x²+3)-2y to get the required value.
4((-6)²+3)-2(-1/2)=4(36+3)+1=157.
Hence, the value of the expression is 157.
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