Question

x²+8x-20=0 find zero of quadratic polynomial
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Answer 1

Answer:

i think x=2 is the zero of the quadratic polynomial

Answer 2

Answer:

x2 + 8x - 20

x2  - 2x + 10x - 20

x(x-2) + 10(x-2)

x+10 and x-2

therefore x=-10 and x=2