8 - (-d) = 43
8 + d = 43 <==
Reflection, i am guessing
Percent means parts out of 100 so
22%=22/100=0.22
'of' means multiply
'is' means =
36 is 22% of what
36=0.22 times what
divide both sides by 0.22
163.636363=what
the number is163.636363....
Answer:
x= -7 x = -1
Step-by-step explanation:
x^2 + 8x + 7 = 0
Factor
What 2 numbers multiply to 7 and add to 8
7*1 = 7
7+1 = 8
(x+7)(x+1) =0
Using the zero product property
x+7 =0 x+1 = 0
x= -7 x = -1