[" 8."(x+a)(x+b)=x^(2)+(a+b)x+ab" an "],[[" (i) "103times102," (ii) "7.1times7.3]]

Using (x + a) (x + b) = x^2 + (a + b) x + ab , find: 103xx104

Using (x+a)(x+b) = x^2 + (a+b)x + ab, find 103 x 104

Using (x+a)(x+b) = x^2 + (a+b)x + ab, find 103 x 98

Using (x + a) (x + b) = x^2 + (a + b) x + ab , find: 103xx98

Using (x + a) (x + b) = x^2 + (a+b) x + ab , find (i) 103 xx 104 (ii) 51 xx 52 (iii) 103 xx 98 (iv) 97 xx 98

Using (x+a)(x+b) = x^2 + (a+b)x + ab, find 9.7 x 9.8

Using (x+a)(x+b)=x^(2)+(a+b)x+ab find (i)103xx104 (ii) 51xx52 (iii) 103xx98 (iv) 97xx98