How to solve 8(x)^(2)-4(x)^(2)

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 8(x)^(2)-4(x)^(2) | Equatix

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

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Question

$$8 { x }^{ 2 } -4 { x }^{ 2 }$$

Differentiate w.r.t. x

$8x$

Steps Using Definition of a Derivative

Combine $8x^{2}$ and $-4x^{2}$ to get $4x^{2}$.

$$\frac{\mathrm{d}}{\mathrm{d}x}(4x^{2})$$

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

$$2\times 4x^{2-1}$$

Multiply $2$ times $4$.

$$8x^{2-1}$$

Subtract $1$ from $2$.

$$8x^{1}$$

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

$$8x$$

Show Solution

Evaluate

$4x^{2}$

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Question

Differentiate w.r.t. x

Steps Using Definition of a Derivative

Evaluate

Solution Steps