Question

evaluate the expression a+b+ab when a=-2 and b =1​

Answer 1

Full explanation :

Here ,our equation is a+ b+ ab

value of a is -2 , b is 1 and if two numbers written together like pq and the value of p is 13 and q is 5 so we have to multiply the values so , multiply-2 with 1 so it be - 2

Equation is ready ,

-2 + 1 + -2

Now,we have to solve the equation ,

-2 + 1 + -2

-1 + -2 because in starting here is - and + so when - and + are in front so it be -

And - ,- is + so the answer is 3

-2 + 1 + -2

-1 + -2

3

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