1.

Using (x+a)(x+b) = x2+x (a +b)+ab find value of 4.7& 4.8 ​

Answer»

Step-by-step EXPLANATION:

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

(4+0.7)(4+0.8)=16+4(0.7+0.8)+0.56

                        =16+2.8+3.2+0.56

                         =22.56

here's your ANSWER



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