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solmaris [256]
3 years ago
8

Factor completely 9-25x^2=

Mathematics
2 answers:
MArishka [77]3 years ago
8 0
<span>9-25x^2= (3 - 5x)(3 + 5x)

---------------------------</span>
8090 [49]3 years ago
3 0
25x^2-9=(5x+3)(5x-3)
(5x+3)(5x-3)
=-(5x+3)(5x-3)

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Tpy6a [65]

The Equation in terms of m, m^2+7m+10=0

What is substituting in the equation ?

substituting means changing or replacing the values in the given equation.

Calculation:

Given equation is (x^2+3)^2+7x^2+21=-10

            and m= X^2 + 3.

make the given equation in the form X^2 + 3,

             now,

                     (x^2+3)^2+7x^2+21=-10

                     (x^2+3)^2+7(x^2+3)=-10

             where,

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              after putting the value or replacing the values

             we get, m^2+7m=-10

                      m^2+7m+10=0

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The Equation in terms of m, m^2+7m+10=0

Leran more about substitution here:

brainly.com/question/24094293

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