19-2x=7
800/(95+x)=45
1836174
31085800
24174756
4410900
5471028
6786161
12187557
11125739
whether AB is singular or non- singularmatrix? IfA = [[- 2, 0, 2], [3, 4, 5]]B, = [[2, 1], [3, 5], [0, 2]]
5471028÷1299444
5=b*5+50
x^2 + x -5
x^(2 + )+3x -4
6786161÷1299444