If one zero of the polynomial x^2-13x+40 is 5 which is the other zero
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we can spilt the middle term.
X^2-5X-8X+40.
NOW we can factorise.
x (x-5)-8 (x-5)
X^2-5X-8X+40.
NOW we can factorise.
x (x-5)-8 (x-5)
timelsss:
You are the best
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