-5(-1+6)

-5 * 5 = -25

-1+6 = 5, so

-5(5) = ?

To simplify the expression -5(-1+6), we follow the order of operations, which is commonly referred to as PEMDAS or BIDMAS.

P: Parentheses (simplify expressions within parentheses first)
E: Exponents (perform any calculations involving exponents)
MD: Multiplication and Division (perform multiplication and division from left to right)
AS: Addition and Subtraction (perform addition and subtraction from left to right)

To solve -5(-1+6), we start by simplifying the expression within the parentheses (-1+6):
-1 + 6 = 5

Now, we substitute the simplified value back into the original expression:
-5(5)

Next, we perform the multiplication: -5 multiplied by 5:
-5 * 5 = -25

Therefore, -5(-1+6) simplifies to -25.