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2 years ago

What are the solutions to the equation x+4x5 = 0?

Mathematics

1 answer:

stepladder [879]2 years ago

3 0

Answer:

it x=-20

Step-by-step explanation:

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Find the product. (-2x^2)^3 ·3x

poizon [28]

(-2x^2)^3 * 3x

3(-8(x^2)^3)x

3(-8x^6)x

3(-8x^7)

-24x^7

Hope this is accurate & helpful! Let me know if I made any errors or if you have any additional questions.

3 0

2 years ago

Solve the following equations;- x - 9 /√x + 3 =1

fgiga [73]

Answer:

13 , 6.

Step-by-step explanation:

A equation is given to us and we need to find out the value of x . The given equation to us is ,

$\sf\implies \dfrac{ x -9}{\sqrt{x+3}}= 1$

Cross multiply ,

$\sf\implies x - 9 =\sqrt{ x +3}$

Squaring both sides ,

$\sf\implies (x - 9)^2 = x + 3$

Simplify the whole square ,

$\sf\implies x^2+9^2-2.9.x = x +3 \\$

$\sf\implies x^2+81 - 18x = x -3$

Add 3 and subtract x on both sides ,

$\sf\implies x^2 -18x-x +81-3=0$

Simplify ,

$\sf\implies x^2 -19x +78=0$

Split the middle term of the quadratic equation,

$\sf\implies x^2-13x-6x+78=0$

Take out common ,

$\sf\implies x( x -13)-6(x-13)=0$

Take out ( x -13 ) as common ,

$\sf\implies ( x -13)(x-6)=0$

Equate both factors to 0 ,

$\sf\implies \boxed{\pink{\sf x = 13,6}}$

Hence the value of x is 13 or 6 .

7 0

3 years ago

find the present value that will grow to $7000 if the annual interest rate is 3.5% compounded quarterly for 9 uears

Gwar [14]

PV=FV/(1+i)^t

FV=7000, i=3.5%=0.035,t=9

put everything in the formula
PV=7000/(1+0.035)^9
PV=$5136.12

7 0

3 years ago

PLS HELP ASAP ILL GIVE BRAINLKEST THANKS

Arisa [49]

Answer:

(4,4)

Step-by-step explanation:

hope this help

4 0

3 years ago

Read 2 more answers

If Oni uses all 3 of the $0.44 cent stamps he has, what

Rom4ik [11]

Answer: b

Step-by-step explanation: edge 2020

8 0

3 years ago