Asked by shayner
how do i use the distrubutive property to factor this expression?
d^2+8d+7
d^2+8d+7
Answers
Answered by
Anonymous
ok so the problem is:d^2+8d+7
so now
d(d+8)+7
i guess its this.but don't write this down coz i m not sure first try to find out. :)
so now
d(d+8)+7
i guess its this.but don't write this down coz i m not sure first try to find out. :)
Answered by
drwls
Just factor it.
The answer is (d+7)(d+1)
You can use the distributive property to prove that those factors work, but it won't help you solve it. You can do that by inspection.
The answer is (d+7)(d+1)
You can use the distributive property to prove that those factors work, but it won't help you solve it. You can do that by inspection.
Answered by
drwls
d(d+8)+7 is one way to factor it, but a better way is
d(d+7) + d + 7
= (d+7)(d+1))
The two expressions are equal.
d(d+7) + d + 7
= (d+7)(d+1))
The two expressions are equal.
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