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(x+7){2}
(2x+3){2}
(x+1){2}
(x-8){2}
(2x-7){2}
(x+7)²=x²+14x+49(2x+3)²=4x²+12x+9(x+1)²=x²+2x+1(x-8)²=x²-16+64(2x-7)²=4x²-28x+49
1)2x+14
2)4x+6
3)2x+2
4)-16+2x
5)-14+4x
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(x+7)²=x²+14x+49
(2x+3)²=4x²+12x+9
(x+1)²=x²+2x+1
(x-8)²=x²-16+64
(2x-7)²=4x²-28x+49
1)2x+14
2)4x+6
3)2x+2
4)-16+2x
5)-14+4x