How to solve a-2a+2b-2b

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 a-2a+2b-2b | 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

$$a-2a+2b-2b$$

Evaluate

$-a$

Show Solution

Differentiate w.r.t. a

$-1$

Steps Using Definition of a Derivative

Combine $a$ and $-2a$ to get $-a$.

$$\frac{\mathrm{d}}{\mathrm{d}a}(-a+2b-2b)$$

Combine $2b$ and $-2b$ to get $0$.

$$\frac{\mathrm{d}}{\mathrm{d}a}(-a)$$

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

$$-a^{1-1}$$

Subtract $1$ from $1$.

$$-a^{0}$$

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

$$-1$$

Show Solution

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Example

Question

Evaluate

Solution Steps

Differentiate w.r.t. a

Steps Using Definition of a Derivative