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Solve x^2+3x-18=0 for x

X=6 X=-3This simple question is the fundamental step of a vest argebra topics. Having a good understanding of this topic is crucial to studens who want to do well. Alternative method is to use quadratic f...

RL
Answered by RongFang L. Maths tutor
3102 Views

Show that sqrt(27) + sqrt(192) = a*sqrt(b), where a and b are prime numbers to be determined

We want to get the the sqrt(27) and sqrt(192) so that they have the same number in the square so they can then be added together. We will look at the factorisation of 27, 192. We can see 27 is divisible b...

LH
Answered by Luke H. Maths tutor
3388 Views

Solve the equation, x + 1 = x/2 + 4

The answer should always end with x = …, so we need to rearrange and simplify the equation to solve this.First write out the full equation: x + 1 = x/2 + 4Multiply everything by 2 to remove the fraction: ...

CJ
Answered by Cheyanne J. Maths tutor
2885 Views

What is the integral of ln x dx

as ln x is not a standard integral given in the formula booklet, but it’s derivative is a standard derivative, you can split ln x into 1 times ln x. This allows you to use the integral product rule method...

AL
Answered by Alex L. Maths tutor
7856 Views

Find the roots of x^3 + 4x^2 - 5x

X=0,-5,1

JW
Answered by Jack W. Maths tutor
2894 Views

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