3b2 = 3 divide both sides by 3
b2 = 1
b = 1
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12b2 - 8b = 0 4b(3b-2) = 0 4b = 0 and 3b-2 = 0 4b = 0 and 3b = 2 b = 0 and 2/3
(2a + b)(a + 3b)
8b + 11 - 3b = 2b + 2 5b + 11 = 2b + 2 5b - 2b = 2 - 11 3b = -9 b = -3
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B squared equals c squared minus a squared then to find B take the square root of you answer for b squared