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Q: 5a squared plus 3b squared plus 2a squared plus 4b squared?

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Angle 'A' is 7 more than 3 times angle 'B': A = 3B + 7 The angles are supplementary: A + B = 180 or A = (180 - B) (180 - B) = 3B + 7 180 = 4B + 7 173 = 4B B = 43.25 degrees A = 136.75 degrees Their difference is 93 degrees.

There's no answer, because that's not a problem or a question. There would be a question there if that expression were equal to something. But so far, it's just an expression; it doesn't make any statement yet. Were you asked to 'factor' it ? OK. It's equal to 2a (3a - 4b + 1) . But that's just a different way to write the same thing. Nothing has changed, there's no new information, and it doesn't answer any question.

7

320 tolerance +/- 20 ? Did I get it right?

Since b2 is doubled by adding 3, b2 equals 3. 1/2 of that is b, hence b=1-1/2.

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1a+3b 2a+4b=3a +7b

9a + 3b - 11a - 4b = -2a -b

2a-3+4b-2a-b-3+5=3b-1

2a-3+4b-2a-b-2a-b-3+5 Can be simplified to: 3b-1

3b -1

20a2b2

Change the order to make it more obvious: 3a - a + 2b + 4b 2a + 6b or 2 (a + 3b).

(5a - 4b) + (2c - 3b - 6c) + a =5a - 4b + 2c - 3b - 6c + a =(5a + a) + (-4b - 3b) + (2c - 6c) =[ 6a - 7b - 4c ].

2a x 3b = 6ab

2a + 4b - 52a + 4b - 52a + 4b - 52a + 4b - 5

2a-6a-a=b+4b-4b -5a=5b-4b -5a=1b a=-5 b=1

-7+3b = 4b-8 3b-4b = -8+7 -b = -1 b = 1

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