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Show that (x+1)(x+2)(x+3) can be written as ax^3+bx^2+cx+d

Start by multiplying any 2 brackets together: (x + 1)(x + 2): Split the 1st bracket: x(x+2) + 1(x+2) = x^2 + 2x + x + 2 = x^2 + 3x + 2 Then multiply that answer with the last bracket: (x + 3)(x^2 + 3x + 2...

RS
Answered by Rushab S. Maths tutor
3097 Views

A solution to the equation 2x^2-3x-17=0 lies between 2&3 use method of trail and improvement to find the solution

Sub 2.5 into equation
it returns 6.75 so x<2.5
sub 2.25
it returns -0.96875 so 2.25<x<2.5
sub 2.4
it returns 3.448 so 2.25<x<2.4
sub 2.3
it returns 0.434...

DC
Answered by Daniel C. Maths tutor
3151 Views

In the years 1961 to 1968 the campaigns to advance the civil rights of African Americans made only limited progress in the face of bitter opposition. [25 marks]

The Civil Rights Movement during the 1960’s made significant progress in advancing the rights of African Americans, which reduces the validity of the statement. Bitter opposition can be defined as the whi...

AV
Answered by Abinayaa V. History tutor
3107 Views

What are measures of central tendency and how do you work them out?

Measures of central tendency are averages of the data from an experiment. There are few different types: mean, median and mode. The mean is worked out by adding all the scores together and dividing that n...

KP
1491 Views

Assess the likely macroeconomic effects of an increase in house prices on the UK economy

An increase in house prices is likely to cause a wealth effect in the UK economy. The wealth effect is defined as an increase in consumer expenditure when their portfolio performance is high. In this case...

DP
Answered by Dilan P. Economics tutor
15872 Views

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