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Solve. = + 4

Perform the indicated operation. Write the result in the form a + bi.(5 + 3i) – (-4 + i)

Add or subtract. Assume all variables represent positive real numbers.-2 + 10 – 6

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.( + 2)( – 2)

Perform the indicated operation. Write the result in the form a + bi.(8 – 9i) + (7 + 3i)

Divide.(x2 – 14x + 40) ÷ (x – 10)

Solve.One number is 9 times larger than another. The sum of their reciprocals is . Determine the two numbers.

Divide.(5×5 – x3 – 4×2 – 12x + 8) ÷ (x2 – 2)

Divide.(8×3 – 14×2 + 18x – 9) ÷ (4x – 3)

Simplify. Write the answer with positive exponents.-5×9 ∙ 5×8