Algebra I: Expressions, Manipulation, and Algebraic Thinking
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Free Checkpoint Maths Q & A Practice
1 of 5 free Checkpoint-standard exercises in this section
A rectangular wooden frame has a rectangular window cut out of it, as shown. All lengths are in centimetres and
\(x>1\).
2x + 3
x + 5
x − 1
x + 2
window
frame
window (cut out)
Which expression gives the area of the shaded frame, in cm², in its simplest form?
Select one option.
A
\(x^2+12x+17\)
B
\(x^2+14x+13\)
C
\(x^2+12x+13\)
D
\(x^2+17\)
E
\(3x^2+14x+13\)
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