math
posted by latesha .
Use factoring by grouping to solve the following equation.
4x^3 + 8x^2 − 9x − 18 = 0
x = 1 (smallest value)
x = 2
x = 3 (largest value)

math 
bobpursley
4x^2(x+2)9(x+2)=0
(x+2)(4x^29)=0
I assume you can take it from here. The second term is a difference of two squares, so it can be further factored.
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