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IRISSAK [1]
3 years ago
7

PLEASE PLEASE HELP ME I AM STUCK FIND ALL THE SOLUTIONS FOR X.

Mathematics
1 answer:
solniwko [45]3 years ago
5 0

Answer:

Step-by-step explanation:

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Which of the following are solutions to 2x^2-8x-90? select all that apply.
Lyrx [107]
<span>Simplifying:
2x2 + -8x + -90 = 0

Reorder the terms:
-90 + -8x + 2x2 = 0

Solving
-90 + -8x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-45 + -4x + x2) = 0

Factor a trinomial.
2((-5 + -1x)(9 + -1x)) = 0

Ignore the factor 2.
Subproblem 1:

Set the factor '(-5 + -1x)' equal to zero and attempt to solve:

Simplifying
-5 + -1x = 0

Solving
-5 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + -1x = 0 + 5

Combine like terms:
-5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5

Combine like terms:
0 + 5 = 5 -1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

Subproblem 2:

Set the factor '(9 + -1x)' equal to zero and attempt to solve:

Simplifying
9 + -1x = 0

Solving
9 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + -1x = 0 + -9

Combine like terms:
9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9

Combine like terms:
0 + -9 = -9 -1x = -9

Divide each side by '-1'.
x = 9

Simplifying x = 9

Solution
x = {-5, 9}</span>
8 0
2 years ago
Read 2 more answers
Evaluate N= -3.3 - n x n
photoshop1234 [79]

Answer:kk

Step-by-step explanation:

8 0
3 years ago
A<br> C<br> B<br> D<br> =<br> If mLABD = 75° and mABC = 40°.<br> then m/ CBR = [ ? 1°<br> 10
m_a_m_a [10]

The measure of the angle m∠CBD that forms an adjacent angle is 35 degrees.

<h3>What are adjacent angles?</h3>

Adjacent angles are angles that have common side and vertex.

Therefore, the common vertex is at point B.

m∠CBD = m∠ABD -  m∠ABC

Therefore,

m∠ABD = 75 degrees

m∠ABC = 40 degrees

Hence,

m∠CBD = 75 - 40

m∠CBD = 35 degrees

learn more on angles here; brainly.com/question/1592068

#SPJ1

7 0
1 year ago
Without using a calculator, find the largest prime factor of 15^4 + 2 * 15^2 + 1 - 14^4?
nexus9112 [7]
The answer is 12660
3 0
2 years ago
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The quotient of a number and three is six<br> What is the number?
Hoochie [10]

Answer:

the quotient of 18 and 3 is 6

Step-by-step explanation:

do the inverse and get 6x3=18

7 0
1 year ago
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