Answer:
x=-5
Step-by-step explanation:
D! I’ve taken this
Please mark me as brainliest!
Answer:
A. Perfect square Trinomial
Step-by-step explanation:
Just did its
Answer: x^2 + 9x + 20
Step-by-step explanation:
Foil Method: (a + b) (c + d) = ac + ad + bc + bd
Lets say:
a = x
b = 5
c = x
d = 4
Plugging in the numbers: xx + 4x + 5x + 5*4
Combine like terms:
xx = x^2
4x + 5x = 9x
5 * 4 = 20
You're then left with: x^2 + 9x + 20
-44.09 i dont understand why we must have 20 characters but OK
