Question

Subtract$2p^4\text{from}-7p^4$

Short answer

On subtracting$2p^4\text{from}-7p^4$, we get$-9p^4$

Step-by-step solution

Step 1. Given information

$\begin{array}{l}\text{Wehavetosubtract}2p^4\text{from}-7p^4.\\ i.e\text{Wehavetosolve}-7p^4-2p^4.\end{array}$

Step 2. Subtract 

$\begin{array}{l}\Rightarrow -7p^4-2p^4\\ =\left(-7-2\right)p^4\left[\text{Combinetheliketermsandsimplify}\right]\\ =-9p^4\end{array}$