Mathematics
hannahlove124
14

Simplify the expression and explain each step A: 4(3x + 2)-2 Factor the expression completely B: 20b - 16

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(1) Answers
jillianfinn03

A: For this equation, follow BIDMAS, so first multiply each value inside the brackets by 4: = 4*3x + 4*2 - 2              ("*" meaning multiply) = 12x + 8 - 2 = 12x +6 And I think you're done. B: For this you need to put in brackets, so find the highest common factor of the values and put it outside the brackets: Both 20 and 16 are divisible by 4 so 4(5b - 4) So that when you multiply out the brackets you get back to 20b - 16. Hope his helps.

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