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IgorLugansk [536]
3 years ago
10

24x² + 14x - 5 i need all the steps

Mathematics
2 answers:
postnew [5]3 years ago
7 0

Answer:

(6x+5)(4x−1)

Step-by-step explanation:

24x² + 14x - 5        Factor the expression

(6x+5)(4x−1)           Double check the answer by FOILing

24x² - 6x + 20x - 5    Combine like terms

24x² + 14x - 5            This answer does work

If this answer is correct, please make me Brainliest!

koban [17]3 years ago
3 0
(4x-1) (6x+5)

For a polynomial of the form
a
x
2
+
b
x
+
c
a
x
2
+
b
x
+
c
, rewrite the middle term as a sum of two terms whose product is
a
⋅
c
=
24
⋅
−
5
=
−
120
a
⋅
c
=
24
⋅
-
5
=
-
120
and whose sum is
b
=
14
b
=
14
.
Tap for more steps...
24
x
2
−
6
x
+
20
x
−
5
24
x
2
-
6
x
+
20
x
-
5
Factor out the greatest common factor from each group.
Tap for more steps...
6
x
(
4
x
−
1
)
+
5
(
4
x
−
1
)
6
x
(
4
x
-
1
)
+
5
(
4
x
-
1
)
Factor the polynomial by factoring out the greatest common factor,
4
x
−
1
4
x
-
1
.
(
4
x
−
1
)
(
6
x
+
5
)
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geniusboy [140]

Answer:

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Step-by-step explanation:

minus 25 from each side

1+-25+4w^2+4w=25+-25

combine like terms

-24+4w^2+4w=0

factor out the greatest Common factor

4(-6+w+w^2)=0

factor a trinomial

4((-3+-1w)(2+-1w))=0

I hope this helps!

6 0
3 years ago
When does it reach maximum height?<br><br> H(t)=-16t^2+112t+288
ivolga24 [154]

Answer:

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Step-by-step explanation:

H(t)=-16t^2+112t+288

The maximum height occurs at the vertex of this graph.  

Let us find the vertex.

vertex x-coordinate = -b/2a

x =  -b/2a = -(112)/ (2*-16) =  7/2 sec.

H(7/2) = - 16 *(7/2)^2 + 112*(7/2) +  288

H(7/2) = -196 + 392 + 288 = 484 feet ..

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