3 years ago

Which expression is a factor of 21x2 + 13x – 20?

1 answer:

Paul [167]3 years ago

8 0

Answer: 7x-5

Step-by-step explanation:

Assuming the expression is 21^2 + 13x -20.

(7x-5)(3x+4)

You might be interested in

Vesna [10]

Answer:The endpoints of line segment AB are located at (5, –2) and (–3, 10).

Step-by-step explanation:

4 0

3 years ago

stepan [7]

Answer:The y intercept of Function A is greater than the y-intercept of Function B

Step-by-step explanation:

y=4x-4

x--->-2,-1,0,1,2

y---->-13,-9,-5,-1,3

7 0

3 years ago

serg [7]

Hey there!

$\bold{4x^2+23x+28=0}$
Firstly, factor the left side of your equation
$\bold{(4x+7)(x+4)=0}$
Set each of your terms to the number of $\bold{0}$
$\bold{4x+7=0}$ $\bold{or}$ $\bold{x+4=0}$
$\boxed{\boxed{\bold{Answer:D.)x=\frac{-7}{4} [or]x=-4}}}$ $\bold{\checkmark}$