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slava [35]
3 years ago
12

Which expression is equivalent to 64y18-1000z6

Mathematics
2 answers:
loris [4]3 years ago
8 0
64y^18 -1000z^6 = (4y^6)^3 -(10z^2)^3
Tcecarenko [31]3 years ago
8 0

Answer:

64y^{18} - 1000z^{6} = (4y^{6} )^3 - (10z^2)^3 =  (4y^6 - 10z^2) (16y^{12} + 40y^6z^2 +100z^4)

Step-by-step explanation:

The given expression is 64y^{18} -1000z^{6}

Here we can rewrite the given expression.

64 can be written as 4*4*4 = 4^{3}

y^{18} =( y^{6}) ^3 using the power of power rule of exponent.

So. 64y^{18} = (4y^6)^{3}

Now we can write 1000z^{6} = (10z^2)^3

Therefore, 64y^{18} - 1000z^{6} = (4y^{6} )^3 - (10z^2)^3

This can be written as using the formula (a - b)^3 = (a - b)(a^2 + ab + b^2)

Here a = 4y^6 and b = 10z^2

= (4y^6 - 10z^2) (16y^{12} + 40y^6z^2 +100z^4)

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