Chavezvenus7idn
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Sagot :

Answer:

  1. [tex]8x^{3}-10x^{2} +6x[/tex]
  2. [tex]-15m^{5} n^{2}+20m^{4} x^{5}[/tex]
  3. [tex]9x^{2}-24x+16[/tex]
  4. [tex]x^{2} +15x+56[/tex]
  5. [tex]6x^{2} -29x+35[/tex]

Step-by-step explanation:

Distributive Property

1.[tex]2x(4x^{2}-5x+3)[/tex]

[tex](2x*4x^{2} )(2x*(-5x)(2x*3)\\8x^{3}-10x^{2} +6x[/tex]

2.[tex]-5m^{2}n(3m^{3}n-4m^{2}n^{4})[/tex]

[tex](-5m^{2}n*3m^{3}n)(-5m^{2}n*(-4m^{2} n^{4})\\-15m^{5} n^{2}+20m^{4} x^{5}[/tex]

FOIL method

[tex]3x-4^{2} =(3x-4)(3x-4)[/tex]

[tex](3x*3x)(3x*(-4))(-4*3x)((-4)*(-4))\\9x^{2}-12x-12x+16\\9x^{2}-24x+16[/tex]

(x+7)(x+8)

[tex](x*x)(x*8)(7*x)(7*8)\\x^{2} +8x+7x+56\\x^{2} +15x+56[/tex]

(2x-5)(3x-7)

[tex](2x*3x)(2x*(-7))(-5*3x)(-5*(-7))\\6x^{2} -14x-15x+35\\6x^{2} -29x+35[/tex]

<3

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