Упростите выражения. Даю 50 баллов
1) ( 10p+7)²+(11-140p)
2) (3-8c)²-(4c²+9)
3) (6t²-8t)+(4t+1)²
4) (50y+4y²)-(13+2y)²
1) ( 10p+7)²+(11-140p)
2) (3-8c)²-(4c²+9)
3) (6t²-8t)+(4t+1)²
4) (50y+4y²)-(13+2y)²
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Verified answer
( 10p+7)²+(11-140p)=100p²+140p+49+11-140p=100p²+60(3-8c)²-(4c²+9)=9-48c+64c²-4c²-9=60c²-48c
(6t²-8t)+(4t+1)²=6t²-8t+16t²+8t+1=22t²+1
(50y+4y²)-(13+2y)²=50y+4y²-169-52y-4y²=-2y-169