How do you find the product (y+4)(y-8)?

Kade Frost

Kade Frost

Answered question

2022-02-10

How do you find the product (y+4)(y-8)?

Answer & Explanation

Michaela Boyle

Michaela Boyle

Beginner2022-02-11Added 10 answers

(y+4)(y-8)
y28y+4y32
This is a quadratic equation (because of the power of 2), so we will have to use the quadratic formula which is:
ax+by+c=0
So
y24y32=0
So basically, now we know the quadratic equation, we can say:
(y+4)(y-8)=0
Possible Answers are:
y=-4
y=8
because if one or the other equals to 0, then multiplying it with any number makes it 0.
zerogirlg16

zerogirlg16

Beginner2022-02-12Added 10 answers

(y+4)(y-8)
Multiply everything in the right hand side bracket by everything in the left one.
y(y-8) + 4(y-8)
y28y+4y32
y24y32

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