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Find where the graph of y=3x^2+7x-6 crosses the x axis

At the point where the line crosses the x axis, y=0

3x^2+7x-6=0

(3x-2)(x+3)=0

3x-2=0 or x+3=0

giving x=2/3 and x=-3

so the line crosses the x axis at (2/3,0) and (-3,0)

DB

Answered by Demi B. • Maths tutor

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