Question

0.5) Simplify the following using brackets:

106X102
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Answer 1

106 ×102

(100+6)(100 +2)

$(100) ^{2} + (6 + 2)100 + 6 \times 2$

$10000 + 800 + 12$

10812

Answer 2

(100+6) (100+2)

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

(100)^2+(6+2)100+6*2

10000+800+12

=10812.

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