Question

question
factor completely.
$4x^3 - 5x^2 - 40x + 50$

Explanation:

Step1: Group terms into pairs

$(4x^3 - 5x^2) + (-40x + 50)$

Step2: Factor out GCF from each pair

$x^2(4x - 5) - 10(4x - 5)$

Step3: Factor out common binomial

$(4x - 5)(x^2 - 10)$

Answer:

$(4x - 5)(x^2 - 10)$