place parenthesis in the expression ok the left sp that the esperssion simplifies to the expression on the right: -5+5-4a+1=20a
1 answer:
You might be interested in
The expression is:
Simplify the expression:
1. Multiply the exponent outside the parenthesis with every exponent inside the parenthesis,
Since, exponents in negative form are express as fraction with 1 as numerator.
Answer: 1/81d^(-20)
15 = 3² +2(7-4)
____
The above expression includes operations of
- exponentiation
- subtraction
- multiplication
- addition
The exponent is 2.
I know the value of this expression is 15 because
- I designed the expression to have a value of 15
- I get a value of 15 when I evaluate the expression
- A reliable on-line calculator also gets a value of 15 when it evaluates the expression
