In 47 52, perform the indicated operations and express your answer in the form a + bi.
ISLAMICWORLD Basics Al-Khwarizimi o o o o o o o ▯▯ + ▯▯ + ▯ = 0 2 o ▯ + ▯▯ = ▯ 2 ▯(▯ 2) + ▯ − (▯ 2) ▯ + 6▯ = 4 (▯ + 3)2= 4 + 9 (▯ + 3) = 13 ▯ + 3 = √13 ▯ = √ 13 − 3 ▯ ▯ + 16▯ = 25 (▯ + 8)2= 25 + 16(4) 2 (▯ + 8) = 89 ▯ + 8 = √89 ▯ = √ 89 − 8 10/12/2016 ISLAMICWORLD Basics Knowledge was important to them. What they were learning was tremendous compared to ot