Factor the trinomial. 3x^2 + 2xy - 8y^2

Holt McDougal Larson Algebra 1 Common Core Edition page 539 number 56

Asked by Dee Dee on 25 Mar 10:44

Last updated by anonymous on 26 Mar 14:19

Answered by CherieS on 26 Mar 14:19

3x^2 + 2xy - 8y^2

(1x )(3x ) ( +2y)( -4y)

Factor:

(1x+2y)(3x-4y)

Check:

(+1x)(+3x) (+1x)(-4y) (+2y)(+3x) (+2y)(-4y)

3x^2 -4xy +6xy -8y^2

3x^2+2xy-8y^2