dawson1327 dawson1327

22-01-2020
Mathematics

contestada

Find the product.
3(x + 4)(x - 5)
A. 3x - 11X-20
B. 3x2 - 20x
C. 3x2 - 3x-60
D. 3x2 - x-20

Respuesta :

Аноним Аноним

22-01-2020

Answer:

3(x+4)(x−5)

1 Expand by distributing terms.

(3x+12)(x-5)

2 Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd

−15x+12x−60

3 Collect like terms.

3x+(−15x+12x)−60

4 Simplify.

3x² −3x−60

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