1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

Solve 7846x79 | Equatix

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Question

$$7846x79$$

Evaluate

$7846x_{79}$

Steps For Long Multiplication

First line up the numbers vertically and match the places from the right like this.

$$\begin{array}{c}\phantom{\times99}7846\\\underline{\times\phantom{9999}79}\\\end{array}$$

Now multiply the first number with the $1^{st}$ digit in $2^{nd}$ number to get intermediate results. That is Multiply 7846 with 9. Write the result 70614 at the end leaving 0 spaces to the right like this.

$$\begin{array}{c}\phantom{\times99}7846\\\underline{\times\phantom{9999}79}\\\phantom{\times9}70614\\\end{array}$$

Now multiply the first number with the $2^{nd}$ digit in $2^{nd}$ number to get intermediate results. That is Multiply 7846 with 7. Write the result 54922 at the end leaving 1 spaces to the right like this.

$$\begin{array}{c}\phantom{\times99}7846\\\underline{\times\phantom{9999}79}\\\phantom{\times9}70614\\\underline{\phantom{\times}54922\phantom{9}}\\\end{array}$$

Now add the intermediate results to get final answer.

$$\begin{array}{c}\phantom{\times99}7846\\\underline{\times\phantom{9999}79}\\\phantom{\times9}70614\\\underline{\phantom{\times}54922\phantom{9}}\\\phantom{\times}619834\end{array}$$

Show Solution

Differentiate w.r.t. x_79

$7846$

Steps Using Definition of a Derivative

The derivative of $ax^{n}$ is $nax^{n-1}$.

$$7846x_{79}^{1-1}$$

Subtract $1$ from $1$.

$$7846x_{79}^{0}$$

For any term $t$ except $0$, $t^{0}=1$.

$$7846\times 1$$

For any term $t$, $t\times 1=t$ and $1t=t$.

$$7846$$