Question

hi.Can someone please help me.I need to factor 125+64d^6 the (d) is elevated to 6 power.Thanks

Answer 1

64d^6=(2d)^6 = [ (2d)^2 ] ^3

125 = 5^3

Answer 2

Then use a³+b³=(a+b)(a²+ab+b²))

your "a" is (2d)^2
and
your "b" is 5

Answer 3

ohh,I see, I forgot that formula. Thank so much,.

Answer 4

Anytime

Answer 5

hi, can you help me with this one? (p+6)(p-2)=-7 solve

Answer 6

1) expand the left side
2) add 16 to both sides
3) complete the square

Answer 7

you know how to complete the square, right?

Answer 8

i got p^2-2p+6p-12=-7

Answer 9

why 16?

Answer 10

@SolomonZelman