3 years ago

Use the grouping method to factor the polynomial below completely. 3x3 + 9x2 + 4x+12

Mathematics

1 answer:

GREYUIT [131]3 years ago

5 0

Answer:

x(3x2+9x+4)+12

Step-by-step explanation:

here would be the simplified and factored version of the polynomial in the question. in order to use the grouping method you find a common factor between all of the numbers and factor that out.

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If y = 15 when x = 5, find y when x = 9. Hint: y=mx

Alona [7]

Answer:

y=1234567891-111213141161

Step-by-step explanation:

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3 years ago

Read 2 more answers

What is a formula for the nth term of the give sequence -3,5,13

kari74 [83]

Step-by-step explanation:

Given sequence is: - 3, 5, 13...

Here first term a = - 3

common difference d= 5-(-3)=13-5=8

Hence, it is in A. P.

Nth term of an AP is given as:

$t_n = a + (n - 1)d \\ \\ \therefore \: t_n = - 3 + (n - 1) \times 8 \\ \\ \therefore \: t_n = - 3 + 8n - 8 \\ \\ \huge \red{ \boxed{\therefore \: t_n = 8n - 11}}$