Question

factorise x^2 - 24 x + 144 by splitting the middle term
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Answer 1

Answer:

(x-12)(x-12)

Step-by-step explanation:

x^2-24x+144

x^2-12x-12x+144

x(x-12)-12(x-12)

(x-12)(x-12)

x=12,12

Answer 2

Answer:

f(x) = x^2- 24x +144

sum= -24

product = 144 × 1 = 144

A.T.Q

x^2 -24 +144 = 0

x^2 -12x -12x +144 = 0

x(x-12)-12(x-12) = 0

(x-12)(x-12)=0

x- 12 = 0 , x - 12 = 0

x = 12 x = 12

hence value of x= 12,12