Question

Factorise the expressions and divide them as directed
1.(5x^{2}-16x-21)÷(x+1)
2. 20xy(4x^{2}-25y^{2})÷5x​

Answer 1

Step-by-step explanation:

→Polynomial Division: Divide $\tt5{x}^{2}-16x-21 \:\:by \:\:x+1$

→ Rewrite the expression using the above.

5x-21.