How to expand 9x^2+4y^2+12xy

Asked by avishkargosavi89.9spicertl | 18th May, 2020, 07:11: PM

Expert Answer:

9x2+ 12xy + 4y2
=(3x)2 + 2(3x)(2y) + (2y)2
= (3x + 2y)2                 .....a2 + 2ab + b2 = (a + b)2
= (3x + 2y)(3x + 2y)

Answered by Yasmeen Khan | 18th May, 2020, 07:36: PM