williamthrashersyi
williamthrashersyi williamthrashersyi
  • 23-11-2020
  • Mathematics
contestada

x^2 + 7x – 18 = 0
a
{–2, 9}
b
{–9, 2}
c
{2, 9}
d
{–2, –9}

Respuesta :

Аноним Аноним
  • 23-11-2020

Answer:

b)-9,2

Step-by-step explanation:

x^2+7x-18=0

x^2+9x-2x-18=0

x(x+9)-2(x+9)=0

(x+9)(x-2)=0

therefore

x=-9

x=2

Answer Link

Otras preguntas

Where did fighting continue after the spanish forces in cuba surrendered? a. Tampa, Florida b. Puerto Rico c. the Philippines d. Guantanamo Bay
what effect did orpheus music have on people and gods give two examples
Find the height, in feet, of the rock after 5 seconds in the air. A rock is launched from a cannon. It’s height, h(x), can be represented by a quadratic functio
Aristotle believed that everything on Earth is made of one of only 4 types of material: earth, air, water, or fire. True False
Populism supports the rights of whom?
solve for x 8x-15=17
What colors of visible light do green plant leaves absorb the most? A. green and red B. red and blue C. blue and green D. green and violet
According to Washington, what problem does education resolve? Education teaches how to be successful in work and everyday struggles. Education expands the stude
A or B? What was Ellis Island? a place where immigrants were processed, most being sent back to their home countries a place where immigrants were processed and
Both President Harding and President Coolidge believed in an isolationist policy. True False