Question

Without multiplying evaluate;
1. (107)²
2.(996)²



Answer correctly. The correct and helpful answer will be marked as the brainliest.​

Answer 1

Step-by-step explanation:

1) .

(107)²

(100+7)² apply (a+b)²=a²+b²+2ab

=100²+7²+2*100*7

=10000+49+1400

=11449

2).

996²=(900+90+6)²

(a+b+c)²=a²+b²+c²+2(ab+bc+ca)

=900²+90²+6²+2(900*90+90*6+6*900)

=810000+8100+36+2(81000+540+5400)

=818136+173880

=992016

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