Write the expression in the standard form a + bi.(6 + 3i)(6 - 7i)
A. 57 - 24i
B. 57 + 24i
C. -21i2 - 24i + 36
D. 15 + 60i
Answer: A
Mathematics
You might also like to view...
Find the second derivative.y = 3x3 - 6x2 + 5
A. 18x - 12 B. 12x - 12 C. 12x - 18 D. 12x - 12
Mathematics
Solve the equation. Express radicals in simplest form.m2 = 72.25
A. {-8.5, 8.5} B. {8.5} C. {-9, 9} D. ?
Mathematics
Factor the following polynomial(s):x2 - x - 6Enter your answer exactly in the form: (x - a)(x + b) where a, and b are integers.All signs and parentheses the same as above.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.The length of a table is 13 inches more than its width. If the area of the table is 
inches, what is its length?
A. 27 in. B. 40 in. C. 54 in. D. 14 in.
Mathematics