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d1i1m1o1n [39]
3 years ago
15

10 points + brainliest = 15 points!

Mathematics
2 answers:
slamgirl [31]3 years ago
5 0

Answer:

(2x²+1)(4x+3)

Step-by-step explanation:

  • 8x³ + 6x² + 4x +3=        regroup as follows
  • (8x³ + 4x) + (6x²+3) =
  • 4x(2x²+1) + 3(2x²+1)=
  • (2x²+1)(4x+3)

Correct choice is the second one

zimovet [89]3 years ago
3 0

Answer:

(2x^2+1)(4x+3)

Step-by-step explanation:

8x^3 + 6x^2 + 4x+3

Split into two groups

8x^3 + 6x^2       + 4x+3

Factor out 2x^2 from the first group and 1 from the second group

2x^2( 4x+3)  +1( 4x+3)

Factor out (4x+3) from each group

(4x+3) (2x^2+1)

Rearranging the order

(2x^2+1)(4x+3)

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For #8 and #9, fill in the missing information for the following trapezoids. SHOW YOUR WORK to solve for the missing value.
garik1379 [7]

Applying the equation for the area of the trapezoid, it is found that the height is of 10 cm.

The <em>area of a trapezoid</em> is <u>half the multiplication of the sum of the bases and the height</u>, that is:

A = \frac{h}{2}(b_1 + b_2)

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