3 years ago

How do I factorise 4x-14xy

Mathematics

1 answer:

aleksley [76]3 years ago

6 0

You substract 4 and 14

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Answer ASAP, Find the quadratic equations whose roots are ½ and -5/2

ArbitrLikvidat [17]

Answer:

4x^2+8x-5

Step-by-step explanation:

You work backwards to get (2x-1) which gets you the root 1/2 and (2x+5) which gets you the root -5/2 after this you foil what you have so (2x-1) times (2x+5). You do 2x times 2x which gives you 4x^2 2x times 5 which gives you 10x -1 times 2x which gives -2x and lastly -1 times 5 which gives you -5 now you combine like terms and get your final answer of 4x^2+8x-5

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GarryVolchara [31]

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3 years ago

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Let f(x)=9x-2 and g(x)=-x+3. find f(g(x)).

ruslelena [56]

$f(g(x))=9(-x+3)-2 \\ f(g(x))= -9x+27-2 \\ f(g(x))= -9x+25$