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13-03-2020
Mathematics

contestada

.
Choose the correct simplification of (5x + 7y)(4x - 6y). (4 points)

20x2 + 2xy + 42y2

20x2 - 2xy - 42y2

20x2 - 2xy + 42y2

20x2 + 2xy - 42y2

Respuesta :

owoella owoella

13-03-2020

Answer:

second equation :

( 20x² — 2xy — 42y² )

Step-by-step explanation:

expand the two brackets.

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