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Solve the simultaneous equations: y=x^2 + 3x + 7 and y=x + 10

x= -3 and 1y= 7 and 11

Answered by Usmaan S. • Maths tutor

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What is solution by substitution?

Solve algebraically the simultaneous equations, giving your answers in terms of b : 3x+by=5, x-y=-2

Work Out (2+11/15 )-(1+1/3)

solve for x by completing the square x^2 + 4x - 12

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