X² + x - 20 = 0
x² = x * x
x = the sum of the factors of -20
-20 ⇒ 1 x 20
2 x 10
- 4 x 5 ⇒ only these factors can arrive to a sum of 1
(x - 4)(x + 5) = x(x+5) - 4(x+5) = x² + 5x - 4x - 20 = x² + x - 20
x - 4 = 0
x = 4
x + 5 = 0
x = -5
Answer:
9
Step-by-step explanation:
Just place 5 where the x value is
4(5) - 11
20 - 11 = 9
Answer:
10 - 10 rupees note
Step-by-step explanation:
have a good day .please mark as brainiest
The answer would be 6 because Ariadne shadow is 12 and Dixon shadow is 18 but it says if Ariadne shadow is 5 Dixon would be 6 divide be 3 .
Answer:
is a function
Step-by-step explanation:
The relation is a polynomial. Every polynomial is a function, so the relation is a function. (Each value of x produces a single corresponding value of y.)