Question

Find the product of the following using identity (x+a)(x+b)=x^2+(a+b)x+ab 99*104

Answer 1

Answer:

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

(x+a)(x+b)= 100^2+(-1+4)100+(-1x4)........

(x+a)(x+b)= 10000+300-4.......

(x+a)(x+b)= 10000+296....

(x+a)(x+b)= 10,296......

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