nikusita908 nikusita908
  • 03-06-2020
  • Mathematics
contestada

solve for x 6000=-2x^2+20x-42

Respuesta :

osikbro
osikbro osikbro
  • 03-06-2020

Answer:

3 or 7

Step-by-step explanation:

[tex]-2x^2+20x-42=0\\-2(x^2-10x+21)=0\\-2(x-7)(x-3)=0\\x=7, 3[/tex]

Hope this helps!

Answer Link

Otras preguntas

If the cost of 16 bar of chocolate costs $84. Find the cost of 28 bars of chocolate.
For the right triangles below, find the exact values of the side lengths d and c. If necessary, write your responses in simplified radical form.
I have many questions. Answer them ALL please What number is 72% of 15? 42% of 18 is what number? 12 is what percent of 24? What number is 118% of 206? 200% of
Put down a funny picture for 15 points... and possible brainliest
Identify problems of efficiency at school and suggest solutions: a. Consumption of electricity Problem Solution b. Classroom lights Problem Solution c. Heat
Please help! I would appreciate it :)
PLEASE ANSWER THIS ASAPPPP
5:_= 1:2 6th grade math please help
Help me please I need it
A quadrilateral has two angles that measure 135º and 85º. The other two angles are in a ratio of 2:5. What are the measures of those two angles?