Question

B sqaure minus B minus fifty six

Answer 1

Answer:

${B}^{2} - B - 56 \\ = {B}^{2} -8 B + 7B - 56 \\ = B(B - 8) + 7(B - 8) \\ = ((B - 8)((B + 7)$

Answer 2

Answer:

Answer:87.5%

Step-by-step explanation:

increase in size =3.5

percentage of increment=

(3.5÷4)×100=0.875×100=87.5

Step-by-step explanation: