Выполните возведение в квадрат:
1) (a+8)^2;
2) (b-2)^2;
3) (7+c)^2;
4) (6-d)^2;
5) (2m+1)^2
6) (4x-3)^2
7) (5m-4n)^2
8) (10c+7d)^2
1) (a+8)^2;
2) (b-2)^2;
3) (7+c)^2;
4) (6-d)^2;
5) (2m+1)^2
6) (4x-3)^2
7) (5m-4n)^2
8) (10c+7d)^2
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Verified answer
1)(а+8)^2=а^2+16а+642) (b-2)^2=b^2-4b+4
3)(7+c)^2=49+14c+c^2
4)(6-d)^2=36-12d+d^2
5)(2m+1)^2=4m^2+4m+1
6)(4x-3)^2=16x^2-24x+9
7)(5m-4n)^2=25m^2-40mn+16n^2
8)(10c+7d)^2=100c^2+140cd+49d^2