Respuesta :

Answer:

x2 + x - 20.

Step-by-step explanation:

(x-4)(x+5) = x^2-4x+5x-20 = x^2+x-20 = x^2 + x - 20.

Hope This Helped

[tex]\mathbb{PROBLEM :}[/tex]

[tex] \tt \: 6. Multiply: ( \times - 4)(x + 5)[/tex]

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[tex]\mathbb{ANSWER:}[/tex]

[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \tt \underline \color{green}{x2 + x - 20}[/tex]

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[tex]\mathbb{SOLUTION:}[/tex]

[tex] \: \: \: \: \: \: \: \: \tt( \times - 4)( \times + 5)[/tex]

[tex] \: \: \: \: \: \: \: \: \tt = \: x(x + 5) -4(x + 5)[/tex]

[tex] \: \: \: \: \: \: \: \: \tt{ = \times 2 + 5 \times 4 \times - 20}[/tex]

[tex] \: \: \: \: \: \: \: \: \tt{= x2 + x - 20}[/tex]

[tex] \tt \: So \: possible \: Answer \: is : \underline \green{ \times 2 + \times - 20}[/tex]

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