3 years ago

Solve for x A) 8 B) 10 C) -11 D) 5

2 answers:

6 0

Answer: A)8

Since the angle that equals 80 degrees is the same as the angle that equals 9x+8 that means you have 9x+8=80

9x+8=80
-8 -8
9x=72
- -
9 9
X=8

BartSMP [9]3 years ago

3 0

A) 8

80=9x+8
Minus 8 on each side
72=9x
Divide each side by 9
8=x

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Pls help I've been trying all night I don't get it

Bad White [126]

Answer:

$x^2 + 12x +36 = (x+6)^2$

Step-by-step explanation:

$x^{2} + 12x +36\\\\\\Step 1: Find\ factors \ of\ 36\ that \ add \ to \ +12.\\(1, 36)\ , \ ( 2, 18), \ (3, 12), \ (4, 9), \ (6, 6)\\\\Step2. \ From \ the \ pairs \ above \ (6 , 6) \ adds \ to \ +12.\\\\So \ the \ equation \ can\ be \ written \ as \\x^{2} + 6x +6x +36 = (x^{2} + 6x) + (6x + 36)$