Question 1 of 5Factor each using Substitution
$$3x^7+11x^5-70x^3$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x(3x^3+10)(x-7)$$
B
$$x^2(10x^2-3)(7x^2+1)$$
C
$$x^3(3x^2-7)(x^2+1)$$
D
$$7x^2(3x-10)(x^2+1)$$
E
$$x^3(3x^2-10)(x^2+7)$$
Question 2 of 5Factor each using Substitution
$$9x^7-6x^4-35x$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$x(3x^3+5)(3x^3-7)$$
B
$$3x^2(5x^2+7)(x^3-1)$$
C
$$-x(2x^3+5)(3x^3+1)$$
D
$$3x(5x^2+7)(3x^3-1)$$
E
$$7x(3x^3+5)(7x^3-1)$$
Question 3 of 5Factor each using Substitution
$$12x^6+13x^3y^3-4y^6$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$3x(4x^3+3y^3)(6x^3-y^3)$$
B
$$6x(x^2+y^3)(2x^3-13)$$
C
$$(3x^3+4y^3)(4x^3-y^3)$$
D
$$2xy(3x^2+2y^2)(4x^2-3y^2)$$
E
$$4(3x^3+5y^3)(x^3-2y^3)$$
Question 4 of 5Factor each using Substitution
$$2(x+3)^2+5(x+3)-12$$ $$2(x+3)^2\hspace{.25em}+$$$$5(x+3)-12$$
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Select the Correct Answer Below: Correct! Not Correct!
A
$$(3x+2)(7x+1)$$
B
$$(6x+1)(7x-3)$$
C
$$(2x+3)(x+7)$$
D
$$x(3x+1)(7x+1)$$
E
$$-(2x-3)(3x+7)$$
Question 5 of 5Factor each using Substitution
$$36x^7-3x^4y^3-18xy^6$$
Finish »
Select the Correct Answer Below: Correct! Not Correct!
A
$$x(4x^3+3y^3)(6x^3-y^3)$$
B
$$x^2(9x^2+2y^3)(2x^2-y^3)$$
C
$$3x^2(3x^3-2y^3)(2x^3+y^3)$$
D
$$3x(3x^3+2y^3)(4x^3-3y^3)$$
E
$$-y(9x^3+4y^2)(6x^3+y^2)$$

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