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3 years ago

Factorise x squared - 4x

Mathematics

2 answers:

mario62 [17]3 years ago

4 0

X^2= (x-2[root of x])(x+2[root of x])

inessss [21]3 years ago

3 0

Answer:

$x(x-4)$

Step-by-step explanation:

Factor $x$ out of $x^2$

$x$ · $x$ $-4x$

Factor $x$ out of $-4x$

$x$ · $x$ + $x$ · $-4\\$

Factor $x$ out of $x$ · $x$ + $x$ · $-4\\$

$x(x-4)$

If you have any questions feel free to ask in the comments - Mark

Also when you have the chance please mark me brainliest.

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3 years ago

PLEASE HELP Complete the table with the number of sit-ups you have to do sunday so that the mean number of sit-ups per day is 10

klemol [59]

The complete table will be:

$Monday - 100\\ Tuesday-65\\ Wednesday- 120\\ Thursday-150\\ Friday-90\\ Saturday- 0\\ Sunday-175$

Explanation

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Mean is the simple average of some numbers. For finding the mean number of sit-ups per day, we need to divide the 'total number of sit-ups' by the 'total number of days'.

Here the total number of days is 7 and the total number of sit-ups for 7 days $= 100+65+120+150+90+0+x= 525+x$