Question Simplify the expression 72+81i Evaluate 9i(9−8i)Apply the distributive property 9i×9+9i(−8i)Multiply the numbers 81i+9i(−8i)Multiply the numbers More Steps Evaluate 9i(−8i)Multiply 9(−8)i2Multiply −72i2Use i2=−1 to transform the expression −72(−1)Calculate 72 81i+72Solution 72+81i Show Solution