Question

which of the binomials below is a factor of this trinomial? : x^2+3x-28 . . .

A. x-7
B. x^2+7
C. x+4
D. x+7

Answer 1

What do u think?

Answer 2

i dont know.. what is it?

Answer 3

i give you the hint

Answer 4

okay what

Answer 5

X+4?

Answer 6

x^2+3x-28 = x^2 +7x-4x -28
= x(x+7)-4(x+7)
can you do it now

Answer 7

no

Answer 8

X+7?

Answer 9

yeeees

Answer 10

ohhhhhh...thanks.

Answer 11

welcomeeeee

Answer 12

okay soo what about this one... haha. x^2+4x-60.
A. x+6.
B. x-10.
C. x-6.
D. x^2-6

Answer 13

ok
x^2 +10x-6x-60
x(x+10)-6(x+10)
now guesssssssss

Answer 14

okay.. um B? x-10.. lol

Answer 15

no

Answer 16

x+6?!?

Answer 17

no

Answer 18

okay what i really dont knomww.. hah

Answer 19

i do one step more
(x-6)(x+10) guess it now

Answer 20

x-6?

Answer 21

yeeeeeeeeeeeeeeeeeeeeeee

Answer 22

x-6 is the right answer

Answer 23

okaay yay! so whats this one.. x^2+2x-35...
A. x+5
B. x-7
C. x^2+7.
D. x-5.

Answer 24

x^2+2x-35 = x^2 +7x -5x -35
= x(x+7)-5(x+7)-----> do it now

Answer 25

x-5? or x-7?

Answer 26

x-5

Answer 27

how you guess x-7 its wrong

Answer 28

x^2+19x+84....
A. x^2+12.
B. x-12
C. x+12.
D. x+84

Answer 29

this time you have to guess from only one step hint
x^2+19x+84 = x^2 +12x+7x+84 do it now

Answer 30

@blondechic4