x²+7x-18

x²+9x-2x -18

2+9-2−18

x^{2}+9x-2x-18

x2+9x−2x−18

(+9)−2(+9)

8b²+26b+15

82+20+6+15

4(2+5)+3(2+5)

(4+3)(2+5)

sorry di ako sure sa answer ko sorry