Factor -7x + 21x2 + 3x -9 by grouping. What is the resulting expression?
(3 – 7x)(x² – 3)
(Tx-3)(3 + x3
(3 - 7x?)(x-3)
(7x2 – 3)(3 + x)

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤