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2 years ago

Find the sum of 6x^2+10x-16x 2 +10x−1 and -5x^2-2x+1−5x^2 −2x+1.

Mathematics

2 answers:

Jobisdone [24]2 years ago

8 0

$(6x^2+10x-1) +(-5x^2-2x+1)\\\\=6x^2+10x-1-5x^2-2x+1\\\\=x^2+8x$

kvasek [131]2 years ago

3 0

Answer:

-21x² + 8x + 2

Step-by-step explanation:

Addition of two polynomials:

Like terms have same variable with same power. Combine like terms.

(-16x² & -5x² are like terms ; 10x and (-2x) are like terms ; (1 and 1 are constants)

-16x² + 10x + 1 + (-5x² - 2x + 1) = -16x² + 10x + 1 -5x² - 2x + 1

= -16x² - 5x² + 10x - 2x + 1 + 1

= -21x² + 8x + 2

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3 years ago

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3 years ago

2. Find the area and circumference of the circle to the right.<br>16.6 m<br>

adoni [48]

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CIRCUMFERENCE:

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3 years ago

Read 2 more answers

Find the value for x

d1i1m1o1n [39]

Answer:

Value of x --> 15°

<u>Step-by-step explanation:</u>

(2x + 60°) and 6x lie on a straight line. So, they form a linear pair. Their sum gives 180°.

---> (2x + 60°) + 6x = 180°

2x + 60° + 6x = 180°

8x + 60° = 180°

8x = 180°- 60°

8x = 120

x = $\frac{120}{8}$

<h3><u>x equals 15°</u></h3>

5 0

2 years ago