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
Answer:
2x
Step-by-step explanation:
u have to add it and do a long method of working out
Answer:
690
Step-by-step explanation:
(323+1715)-(1135+213)
(2038)-(1348)
=690
Answer:
This is the sample answer for edmentum.
Answer:
12 cm
Step-by-step explanation:
multiply 10 by .2
10 × .2 = 2
add 2 to 10
2 + 10 = 12 cm