Top Answer

2xx-56x+180

2(xx-28+90)

axx+bx+c

a=1

b=-28

c=90

Multiply a and c:

1*90=90

Find multiples of ac that add up to b (d,e [ie de=ac, d+e=b]):

90=2*3*3*5

2*45

3*30

5*18

6*15

9*10

NONE add up to -28, use quadratic

Rewrite axx+bx+c into axx+dx+ex+c:

Factor sets of terms (ie axx+dx, and ex+c):

Combine like terms:

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55 + x = 180 x = 180 - 55 x = 125

To solve this one, subtract 50 from 180 and you'll have your answer.

100+80, 99+81, 98+82....

lol who doesn't know this XD

It is: 126 plus 54 = 180

a + 3a + 5a = 180 9a =180 a = 20

180+72=252

It is: 97+83 = 180

It is 90+90 = 180

It is 134+46 = 180

It is: 157+23 = 180

87794 + 39357 + 180 + 439 = 127,770

180

The answer is: 144+36 + 180

My answer is 149.50

150

60 plus 60 plus 60 equals 180 !

x = 116. x + 64 = 180 is the same as x = 180 - 64, which equals 116.

Something = 180 - 127 = 53

t + 98 + 55 = 180 t + 153 = 180 t = 180 - 153 t = 27

x = 0.666666666666667 so 100 + (30x0.67) + (30x0.67) = around 180

120 + 60 = 180

a = 20 b = 60 c = 100

60

That equals 550.