3 years ago

Simplify. (-4x^4+x^2-4)+(5x^2-4)(−4x 4 +x 2 −4)+(5x 2 −4)

1 answer:

8 0

-4x^4 - 15x^2 + 1 - 19/x^2 is your answer

Hope I helped :)

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Andru [333]

Answer: $x=-\dfrac{3}{2}, 7$

Step-by-step explanation:

$2x^2-10x-26=x-5$

$2x^2-10x-26-x+5=0$ Move all terms to one side

$2x^2-11x-21=0$ Simplify $2{x}^{2}-10x-26-x+5$

$2x^2+3x-14x-21=0$ Split the second term

$x(2x+3)-7(2x+3)=0$ Factor out common terms in the first two terms, then in the last two terms.

$(2x+3)(x-7)=0$ Factor out the common term $2x+3$

$x=-\dfrac{3}{2}, 7$

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andreyandreev [35.5K]

Answer:

let the number be n

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2 years ago

Simplify. (-4x^4+x^2-4)+(5x^2-4)(−4x ​4 ​​ +x ​2 ​​ −4)+(5x ​2 ​​ −4)