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Zina [86]
3 years ago
10

What is 3x+5x+2 factorised for yr 10 gcse

Mathematics
1 answer:
marusya05 [52]3 years ago
5 0

Factorising quadratic expressions

Multiply these brackets to remind yourself how to factorise.

<span><span>( x + 2 ) ( x + 5 ) = x2 + 7x + 10</span><span>( x + 2 ) ( x + 3 ) = x2 + 5x + 6</span><span>( x - 3 ) ( x - 5 ) = x 2 - 8x + 15</span><span>( x + 6 ) ( x - 5 ) = x2 + x - 30</span><span>( x - 6 ) ( x + 5 ) = x2 - x - 30</span></span>
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divide both sides by 2

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Hope this helps!
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2 years ago
What is the value of f (x) = 1/2 x + 5 when x=4
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