ar + br + at + bt = ………
(6 + p + q) (6 – p – q) = …………
9x2–256=……9x^2 – 256 = ……9x2–256=……
(3a–b)2–9c2=……(3a – b)^2 – 9c^2 = ……(3a–b)2–9c2=……
(8 + x) (14 – x) = ………
x4−y4=.................x^4-y^4=.................x4−y4=.................
(4x + 51y + 1) (4x + 51y – 1) = …………
x−yx−y=.........\frac{x-y}{\sqrt x-\sqrt y}=.........x−yx−y=.........
(30016)2−(29996)2=..........(\frac{3001}6)^2-(\frac{2999}6)^2=..........(63001)2−(62999)2=..........
24×3=........2^4\times3=........24×3=........
