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1 answer:
Answer:
a. x = 13
b. x = 7
c. x = 24
d. x = Undefined
Step-by-step explanation:
Since all the bases are the same the power it is raised by is equivalent to the sum's power.
In mathematical terms
.
.
x^a + x^b = x^a+b
So all we have to do is add up the exponents and make them equivalent to each other.
For the last question, it is impossible since the powers added cannot ever be equal to each other.
9+x can never equal 4+x so it is undefined.
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The answer is (B)!!!!!!!!!!!!!!!!!!!!!!!!
<span>4x^2 - 25
= (2x)^2 - 5^2 .................using a^2 - b^2 = (a+b)(a-b)
= (2x + 5)(2x - 5)</span>
X = 16y^2 + 1
x - 1 = 16y^2
(x - 1)/16 = y^ 2
( (x-1) / 16 ) ^1/2 = y
( (x-1) ^ 1/2 ) / 4 = y
Answer:
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Step-by-step explanation:
