Eleven and thirteen over 21
Do you think the answer is C.147?
Answer:
8
Step-by-step explanation:
x^2 - 8 = 7x
x^2 - 7x - 8=0
(x - 8)(x + 1)=0
x - 8= 0 x + 1=0
x=8 x= -1
8 is the positive solution
Answer:

Step-by-step explanation:
Given

Required
Simplify completely

Expand

Factorize the numerator

Divide the numerator and denominator by 2

Remove brackets

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<em>The expression has been completely simplified</em>