Question

Expand the squared binomial. (x – 4)²
A. x² − 16
B. x²− 8x + 16
C. x² + 16
D. x² + 8x − 16

Answer 1

@DivineSolar

Answer 2

\[(x-4)^2 = (x+-4)(x+-4)\]

Answer 3

So..Is that what you simplfed to?

Answer 4

yes, but you can simplify it even more

Answer 5

\[(x+-4)(x+-4) = (x)(x) + (x)(-4)+(-4)(x)+(-4)(-4)\]

Answer 6

Can We Combine the x's on each side?

Answer 7

\[= x^2 - 4x-4x+16\]

Answer 8

What is:\[-4x - 4x = ?\]

Answer 9

Then combine 4x?

Answer 10

Yes ^

Answer 11

Sorry That Was A lagg

Answer 12

What is -4x - 4x

Answer 13

-8x?

Answer 14

Correct

Answer 15

So Its B??

Answer 16

So with that you get the answer:\[x^2 - 8x+16\]

Answer 17

Thanks!!!!

Answer 18

No Problem

Answer 19

Can you help me with one more?

Answer 20

Sure

Answer 21

@KendrickLamar2014 YASSSS NOW ITS WORKINGGG :D

Answer 22

11) Use FOIL to multiply the two binomials. (b – 3)(b + 9)
A. b ² + 6b − 27
B. b ² − 27
C. b ² − 6b − 27
D. b ² + 12b – 27

Answer 23

What do you think the answer is @JulieBeans

Answer 24

If I did my cominbing right i think its b again :P

Answer 25

@KendrickLamar2014

Answer 26

Nope