l 1.sum of(x+4)׳-4×+16)
2.sum of(4m-5)16m²+20m+25)
3.sum of(2m+5)(4m²-100mn+25)
4.sum of(m+n)(m²-mn+n²
5.sum of(2ab-7)(4a²b²+14ab+49)
6.sum of(4a-1)(16a²+4a+1)
7.sum of(3x-2)(9ײ+6×+4)
8.sum of(3y+4z)(9y²-12xz+16z²)
9.sum of(5a+2b)(25a²-10ab+4b²)
10.sum of (ab-2y)(a²b²+2aby+4y²)
2.sum of(4m-5)16m²+20m+25)
3.sum of(2m+5)(4m²-100mn+25)
4.sum of(m+n)(m²-mn+n²
5.sum of(2ab-7)(4a²b²+14ab+49)
6.sum of(4a-1)(16a²+4a+1)
7.sum of(3x-2)(9ײ+6×+4)
8.sum of(3y+4z)(9y²-12xz+16z²)
9.sum of(5a+2b)(25a²-10ab+4b²)
10.sum of (ab-2y)(a²b²+2aby+4y²)
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1.sum of(x+4)׳-4×+16)
2.sum of(4m-5)16m²+20m+25)
3.sum of(2m+5)(4m²-100mn+25)
4.sum of(m+n)(m²-mn+n²
5.sum of(2ab-7)(4a²b²+14ab+49)
6.sum of(4a-1)(16a²+4a+1)
7.sum of(3x-2)(9ײ+6×+4)
8.sum of(3y+4z)(9y²-12xz+16z²)
9.sum of(5a+2b)(25a²-10ab+4b²)
10.sum of (ab-2y)(a²b²+2aby+4y²)