Question

(a+3)^2
(X+4)^2
(X-3)^2

Answer 1

a²+6a+9
x²+8x+16
x²-6x+9

Answer 2

(a + 3)² = a² + 2.a.3 + 3² = a² + 6a + 9

(x + 4)² = x² + 2.x.4 + 4² = x² + 8x + 16

(x - 3)² = x² -2.x.(-3) + (-3)2 = x² + 6x + 9