angelliu11
angelliu11 angelliu11
  • 01-08-2017
  • Mathematics
contestada

What is the solution set of the equation x^2 - 7x - 18 = 0

Respuesta :

lovewithcompass
lovewithcompass lovewithcompass
  • 08-08-2017
(x-9)(x+2)=0
x=9 or x=-2
Answer Link
TheBlueFox
TheBlueFox TheBlueFox
  • 31-05-2020

Factoring this trinomial as the product of two binomials,

we have (x - 9)(x + 2) and set that equal to 0.

So we have (x - 9)(x + 2) = 0.

So either x - 9 = 0 or x + 2 = 0.

Solving for x in each equation, we find that our solution is {9, -2}.

Answer Link

Otras preguntas

I need help quick I’ll give brainliest
Can somebody do an essay on these 4 historical figures MLK Jr. W.E.B. Du Bois Obama. 10 points + brainliest plzzzz help
Please I need serious help with this ASAP!!! I will mark brainliest if correct!! Please explain!!!
Which of the following is NOT a reason for implementing Intermediate Sanctions? es O Increase in the numbers of Offenders ons O Prison Overcrowding O Lack of ev
Which pairs are like terms in the expression below? Select all that apply. 25y + 15x – 0.2y – 6 + (–2)
solve the following problemsAnswer:Explanatoin:​
A low-pressure weather system comes into the city of Denver. The atmospheric pressure is 693 mmHg.693 mmHg. If 78.0%78.0% of dry air is nitrogen, what is the pa
1) _PA+ __02 → _P,03
The Europeans began to colonize areas rich in resources such as rubber and petroleum after ___________ . Factories transformed such raw materials into finished
Estimate the answer by rounding each fraction to the nearest whole number and then adding