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Anna11 [10]
3 years ago
8

(7x + y)2 – 36(3x + 2y)2

Mathematics
2 answers:
forsale [732]3 years ago
6 0

Answer:

i think the answer is 146y-202x

tester [92]3 years ago
4 0

Answer:

−202x+−142y

Step-by-step explanation:

step one:distribute

(7x)(2)+(y)(2)+−216x+−144y

14x+2y+−216x+−144y

step two:combine like terms

14x+2y+−216x+−144y

(14x+−216x)+(2y+−144y)

=−202x+−142y

plz mark me brainliest

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3 years ago
Each of the four sides of a swimming pool measures 12 m the pool is 6 m deep how much water will be needed to fill completely
Alex_Xolod [135]

The amount of water needed to fill the swimming pool completely is 864 cubic meters.

Given that each of the four sides of a swimming pool measures 12 m the pool is 6 m deep.

"Volume" is a mathematical quantity that indicates the amount of three-dimensional space occupied by an object or surrounding surface. Volume units are cubic units like m³, cm³, in³, etc.

As we know, the swimming pool is in cubic shape.

So, we will find the volume of cube using the formula V=l×b×h.

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Learn more about the volume of cube from here brainly.com/question/1972490

#SPJ9

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