Mathematics, 31.12.2019 04:31, silvermansachs9189

4. in the diagram at the right, the dimensions of the large rectangle are (3x – 1) by (3x + 7) units. the
dimensions of the cut-out rectangle are x by 2x + 5 units. which choice expresses the area of the shaded
region, in square units?
5
3x + 7.
a. x2 + 23x - 7
b. x2 + 13x - 7
c. 7x2 + 23x - 7
d. 7x2 + 13x - 7

Answers: 2

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4. in the diagram at the right, the dimensions of the large rectangle are (3x – 1) by (3x + 7) units...