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4. (2b+c)square
5. (x+3y) square
6.(4r+s) square
7.(2m+2n) square

2007-05-22 13:49:14 · 2 answers · asked by Diamond E 1 in Science & Mathematics ➔ Mathematics

4b^2 + 4bc + c^2
x^2 + 6xy + 9y^2
16r^2 + 8rs + s^2
4m^2 + 8mn + 4n^2

2007-05-22 13:54:01 · answer #1 · answered by richardwptljc 6 · 0⤊ 0⤋

4. 4bÂ² + 4bc + cÂ²

5. xÂ² + 6xy + 9yÂ²

6. 16rÂ² + 8rs + sÂ²

7. 2Â².(m + n)Â²
= 4.(mÂ² + 2mn + nÂ²)

2007-05-23 03:23:35 · answer #2 · answered by Como 7 · 0⤊ 0⤋