jasmin7570 jasmin7570
  • 19-11-2019
  • Mathematics
contestada

solve X²-5X-14=0 using quadratic formula

Respuesta :

nzeamaluchima
nzeamaluchima nzeamaluchima
  • 19-11-2019

Answer:

x=-2 or x=7

Step-by-step explanation:

X²-5X-14=0  find the factors of -14x² which is -7x and +2x

X² -7x + 2x - 14 = 0   factorize

x(x-7) + 2(x-7) = 0

(x+2)(x-7) =0

x+2 = 0 or x-7= 0

x=-2 or x=7

Answer Link

Otras preguntas

A line segment has a length of approximately 10cm. If a compass is set to a width of 9cm, will it still be possibly to bisect the line segment?
When we speak of characteristics in geography, we're referring to
PLEASE help me. I am stuck on this question for a long time.
What is 1000 words in 5 minutes rate as a unit rate.
If a translation of (x, y) + (x +6, y-10) is applied to figure ABCD, what are the coordinates of D'? B O (-5,-2) O (1, -12) (4, -15) O (-9, 6) 6 5 -32 2 3 х D с
Find the area of the figure. (Sides meet at right angles.) 5 m 4 m 4 m 3 m 3 m 3 m þ m
Hershey’s bar were purchased at $6 per dozen and sold at 1.25 each. find the profit on 14 dozen Hershey’s bar.
2. How does contemporary poetry reinvent what is old? Explain.
I. Translate the following pairs of sentences into Spanish . Each pair is like a mini-conversation. 1. —Hi Sophia, how are you? This is my friend Juan García. —
Do you think it is right to use the electric chair on death row inmates. why or why not?