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Allushta [10]
3 years ago
11

Urgent Please help! Factorise

Mathematics
2 answers:
Naddika [18.5K]3 years ago
5 0

Answer:

a.

x²+3x-4

doing middle term factorization

x²+(4-1)x-4

x²+4x-x-4

x(x+4)-1(x+4)

(<u> </u><u>x</u><u>+</u><u>4</u><u>)</u><u>(</u><u>x-1</u><u>)</u>

b.

x²-2x-3

x²-3x-x-3

x(x-3)-1(x-3)

<u>(</u><u>x-3</u><u>)</u><u>(</u><u>x-1</u><u>)</u>

c.

x²+2x-8

x²+4x-2x-8

x(x+4)-2(x+4)

<u>(</u><u>x</u><u>+</u><u>4</u><u>)</u><u>(</u><u>x-2</u><u>)</u>

Tom [10]3 years ago
5 0
A) (x-1) (x+4)
b) (x-3)(x+1)
c) (x-2) (x+4)
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