Y=4x^2-4x-8 using the quadratic formula

Mathematics

1 answer:

densk [106]3 years ago

8 0

Answer:

4(x+1)(x-2)

Step-by-step explanation:

factor the expression: 4x^2-4x-8

4(x^2-x-2)

write as a difference: 4(x^2+x-2x-2)

factor out x: 4(x(x+1)-2(x+1)),

then factor out x+1:

4(x+1)(x-2)

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