Answer:
x = 4 or x = -10 for equation x^2 + 6x = 40
Step-by-step explanation:
x^2 + 6 = 40
x^2 = 40 - 6
x^2 = 34
x = root(34) or x = -root(34) but this is not in the answer choice.
is it x^2 + 6x = 40
x^2 + 6x + 9 = 40 +9
(x + 3)^2 = 49
x + 3 = 7 or x + 3 = -7
x = 4 or x = -10
Answer:
$26. 20
Step-by-step explanation:
video games= 12.40
dvds= 13.80
total= $26.20
Answer:
yes
Step-by-step explanation:
multiply 7x7 and you will get 49. Then do 49- 56 and you will get -7. So the statement is true.