Question

If x square -ax +36 = (x - 4 )(x - 9 ) then a is equal to
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Answer 1

Answer:

a=13

Step-by-step explanation:

$x^2-ax+36=(x-4)(x-9)\\x^2-ax+36=x^2-4x-9x+36\\x^2-ax+36=x^2-13x+36\\ax=13x\\a=13$