Use simultaneous equations:
2x + 7 = x^2 + 8x - 9
7 = x^2 + 6x - 9
16 = x^2 + 6x
+ or - 4 = 7x
answer is
-4/7 or 4/7
Answer:
Here is your answer
Step-by-step explanation:
3.(x+3)(x+5)
4.(x-8)(x+8)
5.(x+6)^2
Cannot be determined as there isn’t an angle
<u>Answer:
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Required expression for one-eight of the sum of a number and three is 
<u>Solution:
</u>
Given that unknown value is represented by variable x.
Need to create algebraic expression for One-eight of the sum of a number and three.
Let’s first find one eight of the number that is 1/8th of x = 
Now on adding three we get

Hence required expression for one-eight of the sum of a number and three is 