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Mathematics 12 Online
OpenStudy (anonymous):

Write a simplified polynomial expression in standard form to represent the area of the rectangle below. A picture of a rectangle is shown with one side labeled as 2 x minus 4 and another side labeled as x plus 5 2x2 + 6x − 20 2x2 − 4x − 20 2x2 + 6x + 20 2x2 + 10x + 20

OpenStudy (anonymous):

OpenStudy (anonymous):

please help

OpenStudy (skullpatrol):

What is the formula for the area of a rectangle?

OpenStudy (skullpatrol):

let length = 2x - 4 and width = x +5

OpenStudy (skullpatrol):

use FOIL

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

what would the answer be??? i don't know

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