Top answers

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= 2x 2 write this answer at the start of a new line Then multiply the first value of the first bracket by the second valu...
AL
Answered by Autumn L. • Maths tutor
9306 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. 2) habits and facts: for facts that are...
MB
Answered by Marie B. • French tutor
2708 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 va...
AW
Answered by Alexander W. • Maths tutor
8554 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 blo...
GM
Answered by Grace M. • Biology tutor
5516 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 2+ 6x + 9. We thus ...
MS
Answered by Marine S. • Maths tutor
3655 Views