Answer:
x² + 6ax + 4bx + 5a² - 5b²
Step-by-step explanation:
(x+5a+5b )(x+a-b)
x² +a x -bx +5ax + 5a² -5ab + 5bx + 5ab -5b²
x² + 6ax + 4bx + 5a² - 5b²
Answer:
106+18≠28
106+18=124
in case the b was misplaced with the 6
10b=28-18
10b=10
10b/10=10/10
b=1
hope this is helpful
Answer:
$0,90
Step-by-step explanation:

I am joyous to assist you anytime.
<span>Sum of Interior Angles = (Number of Sides -2) • 180 degrees
900 = </span><span>(Number of Sides -2) • 180 degrees
900 / 180 = </span><span>Number of Sides -2
5 = </span><span>Number of Sides -2
</span><span>Number of Sides = 7
Polygon is a heptagon.
http://www.1728.org/polygon.htm
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