44.87 + 42.712 + 43.5 using clustering - brainliest for correct answer
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
1. You must apply the Distributive property. You need to remember the product property of exponents: If you multiply powers with the same base, you must add the exponents. Them you have:
2. Now, you must add the like terms. Then, you obtain the following result:
Answer:
<h2>A. -2x³ - 6x² + 9x</h2>Step-by-step explanation: