(x^2-6x+9)(x^2+6x+9) and expand it
Answer:
variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).
Answer:
5.47 cups of flour
Step-by-step explanation:
Answer: 144 inches left
Step-by-step explanation: 25-13=12
12feet x 12inches(since there are 12 inches in a foot)= 144 inches