Write Problem & Distribute: Write down the problem and distribute the subtraction across the terms.(8h2+7h+1)−4h2 can be rewritten as 8h2+7h+1−4h2 after distributing the negative sign.
Combine Like Terms: Combine like terms.Subtract the 4h2 from 8h2 to get 4h2. The other terms, 7h and 1, remain unchanged as there are no like terms to combine them with.So, 8h2+7h+1−4h2=4h2+7h+1.