factorize by splitting the middle term x^2-13x+36
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Answered by
12
=>x^2-13x+36
=x^2-9x-4x+36
=x(x-9)-4(x-9)
=(x-9)(x-4)
=x=9, x=4
=x^2-9x-4x+36
=x(x-9)-4(x-9)
=(x-9)(x-4)
=x=9, x=4
Answered by
19
x²-13x+36
x²-9x-4x+36
1x(1x-9) -4(1x+9)
1x(1x-9) +4(1x-9)
(1x+4) (1x-9)
x²-9x-4x+36
1x(1x-9) -4(1x+9)
1x(1x-9) +4(1x-9)
(1x+4) (1x-9)
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