Question

if one zero is -2 of p(x)=2xsquare+3x+1 then find the other zero​

Answer 1

The other two zeroes can be find out by using factorisation;

• 2x² + 3x + 1

Middle term splitting method

• 2x² + 2x + 1x + 1
• 2x(x + 1) + (x +1)
• (x + 1)(2x + 1)
• x = -1; x = -1/2

Therefore, the other two zeroes are -1 & -1/2.

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