1. (16x² + 48x) ÷ 8x
[tex]\implies \sf{\dfrac{8x(2x + 6)}{8x}}[/tex]
[tex]\implies \sf{2x + 6}[/tex]
2. (56x² - 14x) ÷ 7x
[tex]\implies \sf{\dfrac{7x(8x - 2)}{7x}}[/tex]
[tex]\implies \sf{8x - 2}[/tex]
3. (20x² - 32x) ÷ 4x
[tex]\implies \sf{\dfrac{4x(5x - 8)}{4x}}[/tex]
[tex]\implies \sf{5x - 8}[/tex]
4. (18x² + 15x) ÷ 3x
[tex]\implies \sf{\dfrac{3x(6x + 5)}{3x}}[/tex]
[tex]\implies \sf{6x + 5}[/tex]
