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Find the roots of x^2+5x+4=0

(x+4)(x+1)=0

x=-1 x=-4

Answered by Christian D. • Maths tutor

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Simultaneous equation: (x-3y)=9,(2x+3y)=0

Expand 4x(x+2)

A)Write x^2 – 8x + 25 in the form (x – a)^ 2 + b. (B) Write down the coordinates of the turning point of the graph of y = x2 – 8x + 25. (C)Hence describe the single transformation which maps the graph of y = x2 onto the graph of y = x2 – 8x + 25.

Solve these pair of simultaneous questions: 3x+2y=17 4x-y=30

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