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aleksley [76]
4 years ago
10

Factor 2x^2+x-3 please

Mathematics
2 answers:
Mamont248 [21]4 years ago
8 0
1
Split the second term into two terms
2{x}^{2}+3x-2x-32x​2​​+3x−2x−3

2 Factor out common terms in the first two terms, then in the last two terms<span>x(2x+3)-(2x+3)<span>x(2x+3)−(2x+3)</span></span>
3 Factor out the common term 2x+32x+3<span><span>(2x+3)(x-1)<span>(2x+3)(x−1)</span></span><span>
</span></span>
RoseWind [281]4 years ago
4 0
(2x + 3)(x - 1)

Is the factorisation.

3 * -1 = -3
3 + (2 * -1) = 1
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Solve the inequality for x<br> 3^(6x+18)&lt;27^(3x)
Lera25 [3.4K]

Answer:

\displaystyle x > 6

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

<u>Algebra I</u>

  • Terms/Coefficients
  • Factoring

<u>Algebra II</u>

  • Exponential Rule [Powering]: \displaystyle (b^m)^n = b^{m \cdot n}
  • Solving exponential equations

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

<em />\displaystyle 3^{6x + 18} < 27^{3x}<em />

<em />

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Rewrite:                                                                                                             \displaystyle 3^{6x + 18} < 3^{3(3x)}
  2. Set:                                                                                                                     \displaystyle 6x + 18 < 3(3x)
  3. Factor:                                                                                                               \displaystyle 3(2x + 6) < 3(3x)
  4. [Division Property of Equality] Divide 3 on both sides:                                  \displaystyle 2x + 6 < 3x
  5. [Subtraction Property of Equality] Subtract 3x on both sides:                       \displaystyle -x + 6 < 0
  6. [Subtraction Property of Equality] Subtract 6 on both sides:                        \displaystyle -x < -6
  7. [Division Property of Equality] Divide -1 on both sides:                                 \displaystyle x > 6
8 0
3 years ago
Read 2 more answers
NEED HELP ASAP! BRAINLIEST will be granted!!!
noname [10]

Answer:

1.72222\ radians

Step-by-step explanation:

Given radius=9 and arc length=15.5.

arc\ length=radius\times central\ angle(radians)\\Central\ angle(radians)=\frac{arc\ length}{radius} \\

central\ angle=\frac{15.5}{9}=1.72222\ radians

7 0
3 years ago
H(x)=17, x=?<br> H(x)=5x+2<br> I don't know how to find x?
Andreas93 [3]

Answer:

• If h(x) is 17, equate the whole function to 17

{ \tt{5x + 2 = 17}} \\  \\ { \tt{5x = 17 - 2}} \\  \\ { \tt{5x = 15}} \\  \\ { \boxed{ \tt{x = 3}}}

6 0
3 years ago
Read 2 more answers
Please help! :) ASAP
schepotkina [342]

Question #1 (-1.8,-4)

8 0
4 years ago
Parker ran 100 meters,1 kilometer,and 5,000 centimeters.How many meters did he run all together.
mr Goodwill [35]
It already tells you that he ran 100 meters so what you need to do is convert kilometer to meter and centimeter to meter.
1 kilometer is is 1000 meters. 1 meter is 100 centimeters.
So 5000 centimeters is 50 meters.

Add 100 + 50 + 1000 =
1,150 meters :)
3 0
3 years ago
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