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katovenus [111]
4 years ago
8

X^2 - 4x + 3 how do I factor the expression completely

Mathematics
2 answers:
Ipatiy [6.2K]4 years ago
8 0
Bx must be the sum of the numbers in the bracket and c must be the product. So we need to choose 2 numbers that multiply to make 3 and add to make -4.

A negative x negative = positive so
-3*-1=3
-3-1=-4

Therefore:
(x-3)(x-1)
Kitty [74]4 years ago
3 0
x^2 - 4x + 3=\\
x^2-x-3x+3=\\
x(x-1)-3(x-1)=\\
(x-3)(x-1)
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