Question

pls answer 100 pts
i will mark brainalist
pls

Answer 1

Answer:

a-3

Step-by-step explanation:

given length is a^2-7a+12

cut into pieces a-4 each

= a^2 -4a-3a + 12

= (a-4)(a-3)/a-4 = length of each piece

= length = a-3

hope it helps

Answer 2

Answer:

${a}^{2} - 7a + 12 \div a - 4$

$hope \: helpfu$

thank u