Question

spillting the middle term x²-12x-45​

Answer 1

Answer:

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Answer 2

Answer:

x²+3x-15x-45

Step-by-step explanation:

x²-12x-45

a = 1    b = - 12   c = - 45

ax²-bx-c

ac=-45

x²+3x-15x-45

x(x+3)-15(x+3)

(x-3)(x-15)