Question
a) Simplify the expression and explain each step.
b) Factor the expression completely.
4(3x+2)−2
20b−16
4(3x + 2) – 2 = (12x + 8) − 2 = 12x + (8 − 2) = 12x + 6 b. 20b − 16 = 4(5b – 4)
these are not to cheat with just to check your answers
b) Factor the expression completely.
4(3x+2)−2
20b−16
4(3x + 2) – 2 = (12x + 8) − 2 = 12x + (8 − 2) = 12x + 6 b. 20b − 16 = 4(5b – 4)
these are not to cheat with just to check your answers
Answers
first one:
4(3x+2)−2
= 12x + 8 - 2
= 12x + 6
= 6(2x + 1) , you expanded, but did not factor
b) is correct
4(3x+2)−2
= 12x + 8 - 2
= 12x + 6
= 6(2x + 1) , you expanded, but did not factor
b) is correct
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