cassandra1007 cassandra1007
  • 15-02-2015
  • Mathematics
contestada

what adds up to 11 and multiplies to -80

Respuesta :

brozang brozang
  • 15-02-2015
let your number be x

your equation will be (x+11)x = -80
expand the equation x^2 +11x +80 = 0
solve the equation and find x
Answer Link
xxsxkim
xxsxkim xxsxkim
  • 15-02-2015
its +16 and -5.
+16+-5= 11
+16*-5=-80
Answer Link

Otras preguntas

find the sum. write each mixed number in simplest form 4 7/8 + 5 1/4
Factor the expression. If the expression cannot be factored, say so.
Thelma spent 1/6 of her weekly allowance on dog toys.  1/4 on a dog collar and 1/3 on dog food.  What fraction of her weekly allowance is left
Does an owl have a backbone?
Thelma spent 1/6 of her weekly allowance on dog toys.  1/4 on a dog collar and 1/3 on dog food.  What fraction of her weekly allowance is left
What all the multiples of 81?
a lunch bill including tax, is divided among you and 5 friends. everyone pays less than $8.75. write and solve an inequality that describes the total amount of
Does an owl have a backbone?
The inner and outer Radii of a cylindrical pipe are 5 cm and 4 cm respectively. find the area of cross section of the pipe.
A blue rope is 3 times the length as a red rope. A green rope is 5 times as log as the blue rope of the total length of all 3 ropes equals 508.25m what is the l