Multiply First Two Numbers: Multiply the first two numbers.We need to multiply (−8) by 12. The rule for multiplication states that the product of two numbers with different signs is negative.(−8)×12=−96
Multiply Result by Third Number: Multiply the result by the third number.Now we multiply −96 by (−9). The rule for multiplication states that the product of two numbers with the same sign is positive.−96×(−9)=864
Add Final Number to Result: Add the final number to the result.We add 3 to the product of the multiplication.864+3=867
More problems from Add, subtract, multiply, and divide polynomials