Question

Va rooog!!! Repedee! Cele in patrate!!!

Answer 1

6.
${a}^{2} - 11a + 30$
**30=6×5
${a}^{2} - 5a - 6a + 30$
$a(a - 5) - 6(a - 5)$
$(a - 5)(a - 6)$

8.
${x}^{2} + 4x - 45$
**45=9×5
${x}^{2} + 9x - 5x - 45$
$x(x + 9) - 5(x + 9)$
$(x + 9)(x - 5)$