Simplify each term.

Rewrite as .

Expand using the FOIL Method.

Apply the distributive property.

Apply the distributive property.

Apply the distributive property.

Simplify and combine like terms.

Simplify each term.

Multiply by .

Move to the left of .

Multiply by .

Add and .

Apply the distributive property.

Simplify.

Multiply .

Multiply by .

Multiply by .

Multiply by .

Combine the opposite terms in .

Subtract from .

Add and .

Graph each side of the equation. The solution is the x-value of the point of intersection.

Solve for x 0=0.1(x+5)^2-2.5