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How do I solve quadratic equation by completing the square : X^2 - 4X = 5

We have X2 - 4X = 5, write the expression on the left side as X2 - 2•2X = 5. Then we would need extra term 4 to complete the square, so adding 4 on the both sides gives us, X2

RK
Answered by Rabin K. Maths tutor
3853 Views

What is the difference between conservation and preservation regarding species

Although they both promote sustainability:
Conservation is the human involvement in attempts to protect wildlife. Usually with endangered species where they can be tracked and looked...

AC
Answered by Aadil C. Biology tutor
8220 Views

Integrate cos(4x)+16x^3 with respect to x

This is a simple integration, integrating each individual term with respect to x.For the cos(4x), you should use 'integration by substitution' as it is a function of a function.cos(4x) = cos(u) and u = 4x...

AC
Answered by Aadil C. Maths tutor
3720 Views

When calculating a question with a double integral question between two different ranges which range relates to which integration variable.

When doing double integration with two arbitrary variables, for example 'x' and 'y' look at the Integration on the inside and integrate the function between the given range. For example if the integrand i...

PV
Answered by Piranavan V. Maths tutor
3205 Views

Explain two reasons for an outward shift in the supply curve

An outward shift in the supply curve means that for each level of quantity supplied of a good/service, the price has decreased. One reason for this could be a positive supply shock, for example a period o...

GT
16510 Views

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