tmoore202141
tmoore202141 tmoore202141
  • 23-04-2021
  • Mathematics
contestada

x^2-8x-63=-10x how to solve by factoring?

Respuesta :

rosemass420
rosemass420 rosemass420
  • 23-04-2021

Answer: look at the picture

Step-by-step explanation: Hope this help :D

Ver imagen rosemass420
Answer Link
EPSTER1
EPSTER1 EPSTER1
  • 23-04-2021

Answer:

(x-7)(x+9)

Step-by-step explanation:

[tex]x^2-8x-63=-10x[/tex]

Add 10x,

[tex]x^2+2x-63=0[/tex]

Factor:

[tex]x^2+9x-7x-63=0[/tex]

[tex]x(x+9)-7(x+9)=0[/tex]

[tex](x-7)(x+9)=0[/tex]

X-Intercepts:

[tex]x-7=0[/tex]

[tex]x=7[/tex]

[tex]x+9=0[/tex]

[tex]x=-9[/tex]

Answer Link

Otras preguntas

f(x)=2x²+3x-4 what if the function is: f(√2)
Cutting down certain trees while leaving other trees standing could be described as....?
Tyrone bought 5 postcards at $0.55 each and a set of postcards for $1.20. Write an expression to find the total amount Tyrone spent on postcards. Then evaluate
Consider the circle of radius 5 centered at (0,0). Find an equation of the line tangent to the circle at point (3,4). The book gives me the answer: y=-3/4(x-3)
LEAST COMMON MULTIPLE OF 27 , 48, 66
Find the pattern:  3*4 = 6 4*7 = 8 8*4 = 8 1*3 = 2  Now complete:  5*5 =    6*2 =
what two forms can you write 4.293
what is the mean of 82 ,64 ,73 ,91 ,85
how do you write 100,203 in two other forms
f(x)=2x²+3x-4 what if the function is: f(√2)