U 5
6 7 8 9
U 3
5
5+ [(+3) + 2+ +5x-3
simplifies to
ax - b
CX-d
where a, b, c and d are integers, all less than 20.
Work out the values of a, b, c and d and put them in the expression below.
X-
X -
Total marks: 4
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i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.

-2x-4

step-by-step explanation:

image for option 4

step-by-step explanation:

i just know the internet

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this