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# graphs ugh watch

1. v. v. v. difficult question plz help

Find, as surds, the roots of the equations:

2(x + 1)(x – 4) – (x – 2)² = 0

thnxx a lot
2. (Original post by raman1)
v. v. v. difficult question plz help

Find, as surds, the roots of the equations:

2(x + 1)(x – 4) – (x – 2)² = 0

thnxx a lot
Unless the question states use a graph, you could do it algebraically by expanding both sets of brackets, gathering terms to get a quadratic and factorise that.
3. Multiply it out and you get

plug the coefficients into the quadratic formula and you get the roots to be and

You could also use completing the square here i think

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