Factor 3h2 – 11h - 42
A. (3h – 7)(h + 6)
B. 3(h + 7)(h - 6)
C. (34 – 6)(h + 7)
D. (3h + 7)(h – 6)

Question

jlamar502 jlamar502

14-07-2019
Mathematics

contestada

Factor 3h2 – 11h - 42
A. (3h – 7)(h + 6)
B. 3(h + 7)(h - 6)
C. (34 – 6)(h + 7)
D. (3h + 7)(h – 6)

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salatulmaghrib salatulmaghrib · Answer 1 · 2019-07-14T05:56:43+02:00

The answer is D
3*-42=-126
The factors of -126 that add to -11 are 7 and -18
replace -11h with 7h-18h
3h^2 + 7h - 18h - 42
Factor the first two terms and last two terms
h(3h+7) - 6(3h+7)
See how the two parentheses are the same?
THE ANSWER IS BELOW!!
(h-6)(3h+7)
the first parentheses has the terms that were outside, and the second has the original bracketed terms
This matches option D (it just multiplies the terms backwards, which gives the same result)

imlittlestar imlittlestar · Answer 2 · 2019-07-14T13:11:22+02:00

imlittlestar imlittlestar

14-07-2019

Answer:

The correct answer is option D. (3h + 7)(h – 6)

Step-by-step explanation:

It is given a quadratic function ,

3h² - 11h - 42

To find the factors of given function

3h² - 11h - 42 = 3h² - 18h + 7h - 42

= 3h(h -6) + 7(h - 6)

=(h - 6)(3h + 7)

= (3h + 7)(h – 6)

The correct answer is option D. (3h + 7)(h – 6)

Answer Link

Factor 3h2 – 11h - 42 A. (3h – 7)(h + 6) B. 3(h + 7)(h - 6) C. (34 – 6)(h + 7) D. (3h + 7)(h – 6)

Respuesta :

Otras preguntas

Factor 3h2 – 11h - 42
A. (3h – 7)(h + 6)
B. 3(h + 7)(h - 6)
C. (34 – 6)(h + 7)
D. (3h + 7)(h – 6)