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16 February, 08:48

Which equations are correct?

select each correct answer.

-4b^3 (5b^2+3) = -20b^6-12b^3

-6y^4 (4y^2+2) = -24y^8-12y^4

-4x^2 (2a^2+5) = -8x^4-20x^2

-5a^4 (2a^2+4) = -10a^6-20a^4

which expression is equal to (6x-4) (3x-1) ?

a. 18x^2-18x-5

b. 9x^2-6x-5

c. 18x^2-18x+4

d. 18x^2 + 18x-4

which expression is equal to (x+4) (-3x^2-4x+2)

a. - 3x^2-4x+8

b. - 3x^3-16x^2-14x+8

c. - 3x^2-3x+6

d. - 3x-4x^2+2x+8

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Answers (1)
  1. 16 February, 10:54
    0
    Q1 / 3 and 4

    Q2 / C

    Q3 / B

    Step-by-step explanation:

    That's it
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