3 years ago

The square of (-abc) is

1 answer:

5 0

It is read as a minus b minus c whole square. The (a - b - c)2 formula is expressed as (a - b - c)2 = a2 + b2 + c2 - 2ab + 2bc - 2ca.

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CaHeK987 [17]

Answer:

x=(0.45,-4.45)

Step-by-step explanation:

x²+4x=2

x²+4x+(2)²=2+(2)²

x²+(2)²=2+4

(x+2)²=6

√(x+2)²√6

x+2=√6

x=-2±√6

x=-2±2.45

x=(0.45,-4.45)

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100°

Step-by-step explanation:

180°- 80°= 100°

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2 it is 2 I hope it is right

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