Basic Algebra Exercises

Example 1

Multiply (2x - 8)(9x +4) .

Hint

Change to .

Example 2

Multiply (6a + b)(6a – b) .

Hint

Example 3

A rectangular lawn 12 ft by 15 ft is going to be increased by a uniform amount (x) on each side. What will the new area be?

Hint

Example 4

Multiply -3y(x+6y)(3x - 4y) .

Hint

Multiply the binomials, then multiply the product by .