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Solve the equation: x^2+x-12=0

x=-4, x=3

Answered by Jordan H. • Maths tutor

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Find the roots for the quadratic equation x^2 +2x-3 = 0

Solve simultaneously 2x + 3y = 18 and y = 3x – 5 to find the value of x and y.

(i) Find the gradient of the straight line passing through the points: (0,3) and (9,21). (ii) Write down the equation of the line in form y = mx + c

1i) solve x^2-4x-21=0

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