Step-by-step explanation:
x+x squared =42. The square of the number is the number square. By my incredibly accurate guess and check strategy (works most of the time )6*6 = 36+6=42
I would say the 2nd or 3rd one
Step-by-step explanation:
what is the numbers to choose from
Perfect Square Trinomials have first and last terms that are positive perfect squares. And the middle term is
twice the product of the square roots of the first and third terms.
First term:
n^2
Square root = n

Third term:
9
Square root = 3

9 * 1 = 9
9 * 2 = 18
18

-9
Therefore it is not a perfect square trinomial.
Answer:
x = 8
Step-by-step explanation:
- 3x + 11 = - 13
- 13 - 11 = - 24
- 3x = - 24
- 24/- 3 = 8
x = 8