Question

1)Calcule o quadrado da diferença:
A:(5-x)²
B:(y-3)=
C:(x-y)²=
D:(x-7)²=
E:(2x-5)²=
F:(6y-4)²=
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2)Calcule o quadrado da soma :
A: (3+x)²=
B:(x+5)²=
C: (x+y)²=
D:(x+2)²=
E:(3x+2)²=
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Answer 1

Resposta:

Explicação passo-a-passo:

a)5²-2.5.x+x²

25-10x+x²

b)y²-2.y.3+3²

y²-6y+9

c)x²-2.x.y+y²

d)x²-2.x.7+7²

x²-14x+49

e)(2x)²-2.2x.5+5²

4x²-20x+25

f)(6y)²-2.6y.4+4²

36y²-48y+16

2) a)3²+2.3.x+x²

9+6x+x²

b)x²+2.x.5+5²

x²+10x+25

c)x²+2.x.y+y²

d)x²+2.x.2+2²

x²+4x+4

e)(3x)²+2.3x.2+2²

9x²+12x+4