Examine the steps for finding the product of (104)(14) in the example shown.

Line 1: 100+0+4
Line 2: ×10+4−−−−−−−−−−
Line 3: 400+0+16
Line 4: +1000+0+40−−−−−−−−−−−−−−−−−−−−
Line 5: 1000+400+40+16

What are the corresponding steps used to find the product of (x2+4)(x+4)?

Select one correct answer for each step.

Line 5: x3+4x2+4x+16
Line 5: 2x3+3x2+6x+6
Line 1: x2+0x+4
Line 3: (x)(x2+4)
Line 1: x2+x+4
Line 2: (x)(x2+4)+(4)(x2+4)
Line 4: (4)(x2+4)
Line 3: 4x2+0x+16
Line 4: x3+0x2+4x
Line 2: x+4