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ki77a [65]
3 years ago
10

CAN ANYONE HELP WITH THESE PLEASE...? (EASY 21 POINTS)

Mathematics
1 answer:
nadezda [96]3 years ago
7 0
1) 2x * 2x = 4x^2
2) 2(-1)+6 = 4
3) (4x)(6x+6) = 24x^2 + 4x
4) ((6)+4)(5(6)) = 300
5) 4x(x+1)= 4x^2+4x
6) (-x-3)(-5x+10) = 5x^2+5x-30
7) (2(4)+3)(5(4)-2) = 198
8) ((5)^2+2)(2(5)-1)=243
9) 
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