solve the circled ones only please please please
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1. x²-20x+36
= x²-18x-2x+36
= x(x-18)-2(x-18)
= (x-2)(x-18)
2. a²-36a+99
= a²-33a-3a+99
= a(a-33)-3(a-33)
= (a-3)(a-33)
ONLY ONE QUESTION AT A TIME
MARK AS THE BRAINLIEST..
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