Kookieprincessviz
Answered

what is difference of two squares?

Sagot :

a²-b² = (a+b)(a-b)
9x²-4y² = (3x+2y)(3x-2y)
7x-3y = ([tex] \sqrt{7x} [/tex]+[tex] \sqrt{3y} [/tex])([tex] \sqrt{7x} [/tex]-[tex] \sqrt{3y} [/tex])