question\nfactor completely.\n$4x^3 - 5x^2 - 40x + 50$

question\nfactor completely.\n$4x^3 - 5x^2 - 40x + 50$
Answer
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:
$(4x - 5)(x^2 - 10)$