yesyesno1321 yesyesno1321
  • 04-03-2021
  • Mathematics
contestada

What is 5x²+7x-9-4x²-x+18?

Respuesta :

ssdandreasd
ssdandreasd ssdandreasd
  • 04-03-2021
X^2+6x+9 should be correct
Answer Link
arulmalu
arulmalu arulmalu
  • 04-03-2021

Answer:

5X²+7X-9-4X²-X+18

5X²-4X²+7X-X+18-9

X²+6X+9 =0

X²+(3X+3X)+(3×3)=0

ALL FACTORS ARE =3,3   that is  pdt of factor 3×3 =9   sum =3+3 =6

(X+3) ( X+3) =0  

X+3 =0

X=-3

ANS = X=-3

Step-by-step explanation:

Answer Link

Otras preguntas

The circumference of a grapefruit is 4π cm. Find the surface area of the grapefruit. Express your answer in terms of π. a) 16 pie cm2 b) 32 pie cm2 c) 64 pie cm
A gazebo, a rose garden, and a bench are located at the vertices of a triangle. A landscaper wants to build a goldfish pond that is equidistant from the gazebo,
cos(x+30°) - cos(x+48°) = 0.2 Solve for x
Which of the following sites is not one of the New Seven Wonders of the World?
Explain the two most common reasons why words get adopted into another language. Provide at least one example of a word English has borrowed for each reason. Th
your parents have a credit card with a balance of 2,748.56. the interest rate is 10.5% APR. a late payment fee of 40.00 is added to the principal if they pay af
What is the pattern of the following sequence? 13, 15, 17, 19, ...
Why should an athlete suspected with an internal injury not be given water?
What is 2% as a fraction in simplest form?
Which of the following is NOT a type (shape) of galaxy? Question 3 options: a) triangular b) irregular c) spiral d) elliptical