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malfutka [58]
3 years ago
14

(Picture) MULTIPLYING MONOMIALS AND BINOMIALS

Mathematics
1 answer:
motikmotik3 years ago
7 0

Answer:

Second option: 81y^4 - 16x^2, the difference of squares

Step-by-step explanation:

(9y^2-4x)(9y^2+4x) is a special product named difference of squares, then we can apply this formula:

(a-b)(a+b)=a^2-b^2, with a=9y^2 and b=4x, then:

(9y^2-4x)(9y^2+4x)=(9y^2)^2 - (4x)^2

(9y^2-4x)(9y^2+4x)=(9)^2 (y^2)^2 - (4)^2 (x)^2

(9y^2-4x)(9y^2+4x)=81y^(2*2) - 16x^2

(9y^2-4x)(9y^2+4x)=81y^4 - 16x^2


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What's 7-(7-7):8x29=
topjm [15]

Answer:

the required ratio is 7 : 232

Step-by-step explanation:

by solving both sides we get ,

=》7 - ( 7-7 ) : 8 × 29

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=》 7 : 232

it's the required ratio ,

i hope you got it .

5 0
3 years ago
A small hexagon was graphed on a coordinate plane. By what scale factor was the hexagon dilated to create the larger hexagon?
suter [353]

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6 0
3 years ago
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The second one for both a and b.

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8 0
2 years ago
Can you teach me how to do these?? plzaa
Nitella [24]
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