Identify Coefficients and Like Terms: Identify the coefficients and the like terms. The coefficients are the numerical parts of the terms, which are 4 and −6. The like terms are the d terms with exponents, d3 and d5.
Multiply Coefficients: Multiply the coefficients.Multiply 4 by −6 to get the new coefficient.4×−6=−24
Apply Product Rule for Exponents: Apply the product rule for exponents. The product rule states that when multiplying like bases, you add the exponents. So, add the exponents 3 and 5. 3+5=8
Combine Results: Combine the results from Step 2 and Step 3. Combine the new coefficient from Step 2 with the result of the exponent addition from Step 3 to get the final answer. −24d8
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