Answers

(x+1/2)^2-1/4-3
=(x+1/2)^2-13/4

(x-7/2)^2-49/4+1
=(x-7/2)^2-45/4

2(x^+8x)-20
=2((x+4)^2-16)-20
=2(x+4)^2-32-20
=2(x+4)^2-52

3(x^2+6x)+32
=3((x+3)^2-9)+32
=3(x+3)^2-27+32
=3(x+3)^2+5

Post A Comment
Were you able to resolve your confusion?