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Wittaler [7]
2 years ago
9

Factorize:a)x³-3x²+2x-6-xy+3yb)mn-mx-n+x​

Mathematics
2 answers:
AveGali [126]2 years ago
7 0

\displaystyle \Large \boldsymbol{} a)  \ \underline{x^2-3x}+\underline{2x-6}-\underline{xy+3y}=\\\\\\x(x-3)+2(x-3)-y(x-3)=\boxed{(x-3)(x-y+2)} \\\\\\b) \  mn-mx-n+x=m(n-x)-(n-x) =\boxed{ (m-1)(n-x)}

DaniilM [7]2 years ago
3 0
Part b answer is this

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Answer:

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Step-by-step explanation:

Since the whole figure is 180°

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180 - 2 - 9 - 9 = 160

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x = 160 ÷ 10 = 16

Since we know what x is, we can find all the angles in the figure.

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Angle at I = 4 x 16 - 9 = 55°

Angle at J = 3 x 16 - 9 = 39°

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