Question

8 Questions
$(x + a)(x + b) = x2 + (a + b)x ab$

Answer 1

Hey Mate!.___________________

(x+a)(x+b) = x^2 + (a+b)x + ab

(100+3)(100+4) = 100^2 + (3+4)1000 + 3×4
(100+3)(100+4) = 10000 + 700+ 12
103 × 104= 10712

Rest are in pic