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How would I simplify this? (x-2)(x+3)

To answer this question properly I would need to demonstrate this through a video as the method I would show you involves drawing lines to connect elements (method is called smiley eyebrow method). I wil...

MS
Answered by Maria S. Maths tutor
6513 Views

How would I solve this (2/3) / (3/4)

To divide fractions, we need to flip/invert/turn upside down the second fraction (the one you are dividing by). Then multiply the first fraction by the flipped fraction as normal. So, flipping the second ...

MS
Answered by Maria S. Maths tutor
3412 Views

How would I solve for x? 2x + 4x = 12

First, combine all the like terms. The terms we have are 2x and 4x. Are they similar? Do they have the same letter? Yes, so they can be combined as stated in the question. It tells us we have to add so we...

MS
Answered by Maria S. Maths tutor
6780 Views

Find the exact value of x from the equation 3^x * e^4x = e^7

To begin to solve this equation we must take natural logarithms of both sides of the equation. This gives: ln(3^x*e^4x) = lne^7 Then we can use the log rules on the left hand side to expand it slightly to...

CB
Answered by Chris B. Maths tutor
13924 Views

How to calculate the inverse of a 2x2 matrix

Suppose we have a matrix M = [{a b} {c d}]

The inverse of a matrix M is any matrix, that when multiplied by M, gives the unit matrix (I) - in this case: [{1 0} {0 1}]

First, we have to d...

AR
Answered by Alex R. Maths tutor
10528 Views

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