X^4 + 8x^2 - 9
= (x^2 + 9)(x^2 - 1)
= (x^2 + 9)(x + 1)(x - 1) Answer
Based on the given figure above, the correct answer would be option A. Judging by appearance, the figure can be classified by the following: <span>rectangle, square, quadrilateral, parallelogram, and rhombus. It cannot be classified as a rectangle nor as a trapezoid. Hope this answers your question. </span>
Answer:
first option
Step-by-step explanation:
Using the rule of exponents
= 
then
= 
= 
This is what you need to do in order to solve.
Answer:
x = - 3
Step-by-step explanation:
x² - 5 = 4
x² = 4 + 5
x² = 9
x = ± 3
the negative solution
x = - 3
