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3 votes
Expand and simplify
(x+3)(4x2-x-8)​

User Tim Peters
by
3.5k points

1 Answer

2 votes
(x+3)(4x2-x-8) = -x(x+3)

Steps:
(x+3)(4x2-x-8)

Multiply the numbers: 4x2=8
= (x+3)(-x+8-8)

Simplify: 8-x-8: -x
= (x+3)(-x)

Remove parentheses: (-a) = -a
= -(x+3)x
User Nadir SOUALEM
by
3.7k points