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7 questions
Add the polynomials.
(3x3 + 3x2 – 4x + 5) + (x3 – 2x2 + x – 4)
4x3 + 1x2 – 3x + 1
3x3 + 1x2 - 5x + 9
4x3 + 1x - 1x2 - 3
3x5 +1x - 1x5 - 3x
(x + 5)+(x + 4)
x + 9
x + 20
2x + 9
2x + 20
Simplify:
3 ( -2x -3)
-6x - 3
-5x - 3
-6x - 9
-5x
3(r – s+ 1) + 4 + 5s
3r + 2s + 7
3r - s + 7
r - 2s +5
r + 2s + 7
Find the perimeter of the rectangle with length of (-x + 2) and a width of (3x - 7).
4x + 12
4x - 14
4x - 10
5x + 16
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