Question 187555
(2x-5y) (2x-5y)......use the foil method :multiply: first,outside,inside,last(terms)
:
2x(2x)+2x(-5y)+(-5y)(2x)+(-5y)(-5y)
:
{{{4x^2-10xy-10xy+25y^2}}}
:
{{{4x^2-20xy+25y^2}}}