Which of the following is equivalent to the expression below?
4x + 3(2x - 1) - 4x

Which of the following is the result of expanding

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}