How to solve 7W-12W-10W-16W

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 7W-12W-10W-16W | Equatix

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$7W-12W-10W-16W$$

Evaluate

$-31W$

Solution Steps

Combine $7W$ and $-12W$ to get $-5W$.

$$-5W-10W-16W$$

Combine $-5W$ and $-10W$ to get $-15W$.

$$-15W-16W$$

Combine $-15W$ and $-16W$ to get $-31W$.

$$-31W$$

Show Solution

Differentiate w.r.t. W

$-31$

Steps Using Definition of a Derivative

Combine $7W$ and $-12W$ to get $-5W$.

$$\frac{\mathrm{d}}{\mathrm{d}W}(-5W-10W-16W)$$

Combine $-5W$ and $-10W$ to get $-15W$.

$$\frac{\mathrm{d}}{\mathrm{d}W}(-15W-16W)$$

Combine $-15W$ and $-16W$ to get $-31W$.

$$\frac{\mathrm{d}}{\mathrm{d}W}(-31W)$$

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

$$-31W^{1-1}$$

Subtract $1$ from $1$.

$$-31W^{0}$$

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

$$-31$$

Show Solution

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