Question

75(x+y)square -48(x-y)square

Answer 1

hello mate!......


given.........


$75(x + y) {}^{2} - 48( x - y) {}^{2} \\ \\ = 75(x { }^{2} + y {}^{2} + 2xy) - 48(x {}^{2} + y {}^{2} - 2xy) \\ \\ = 75x {}^{2} + 75y {}^{2} + 150xy - 48x {}^{2} - 48y {}^{2} + 96xy \\ \\ = 27x {}^{2} + 27y {}^{2} + 246xy$
hope it helps u