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Expand and simplify the following (x+4)(2x-3)=0

First of all you need to multiply the first value of each bracket, for example; x X 2x= 2x2 write this answer at the start of a new line Then multiply the first value of the first bracket by th...

AL
Answered by Autumn L. Maths tutor
7942 Views

In what context would you use the present tense in French?

Present tense in French is used in different situations:

1) immediate action: the action is taking place while you are speaking

ex: Je n'entends pas ce que vous dites...

MB
Answered by Marie B. French tutor
1844 Views

Factorize x^2 + 4x -5 and hence find the roots of the quadratic equation y = x^2 + 4x - 5.

First, identify the integer factors of the constant. In this case -5, has factors -1,5 and 1,-5. Now check to see if the sum of either pair is equal to the value of the coefficient of x. In this case, the...

AW
Answered by Alexander W. Maths tutor
6892 Views

How does the blood move through the heart?

The heart is a pump, which moves blood around your body. It has 4 areas filled with blood, called chambers and a right and left side. There are two atria and two ventricles, one of each on each side. The ...

GM
Answered by Grace M. Biology tutor
4481 Views

How can do you factorize the equation x^2+6x+8

Here, we see that the term in x in the equation is 6, so we start by looking for a perfect square where the second term would be 6 : we get 6/2 = 3 so we try (x+3)2. However, (x+3)2 = x

MS
Answered by Marine S. Maths tutor
2905 Views

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