Answer:
x=5 twice
Step-by-step explanation:
x^2-10x+25=0
multiply the coefficient of x^2 and the last term
1X25=25
find two numbers you can multiply to get 25 and add to get -10
-5 + (-5)=-10 the middle term
replace -10x with -5x -5x and solve the equation
x^2-5x-5x+25=0
factorise by grouping
x(x-5)-5(x-5)=0
(x-5)(x-5)=0
Either x-5=0,x=5 or x-5=0,x=5
Therefore x=5 twice.
Answer:
Step-by-step explanation:
x/h + 1 = - 2 Subtract 1 from both sides
x/h = -2 - 1 Combine
x/ h = -3 Multiply both sides by h
h * x/h = - 3*h
x = - 3h Answer
Answer:
35,000
Step-by-step explanation:
You can use a volume calculator
Answer:
$519.00
Step-by-step explanation:
The 20% off coupon takes $130.00 off the original price of the TV.
$649.99
- $130.00 =
$519.00