Imainly need 51,200 divides by 3 rounded : )

Simply 8x squared + 5(7x squared- x) - 2x =

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2