Question

3 (b+2) (b-8) = 3 (b+8)​

Answer 1

Answer:

Step-by-step explanation:

$3(b+2)(b-8) = 3(b+8) \\or, b(b-8)+2(b-8) = b+8\\or, b^2 -8b+2b-16 = b+8\\or,b^2 - 7b -24=0$

$or, b = \frac{7\pm\sqrt{49-4\cdot(1)\cdot(-24)}}{2\cdot 1}\\or ,b = \frac{7\pm\sqrt{145}}{2}$