Complete.

Question

0

623

2

Complete.

z² + 9z – 90 = (z – 6)(z +

)

Guest Oct 28, 2014

+23254

+5

Best Answer

To find the number that completes the problem, ask yourself:

Is there a number that, when multiplied to -6, will result in -90? (-90 ÷ ? = -6)

Will this number, when add to -6, result in +9? (? + -6 = 9)

If you can find that number, you will have your answer.

geno3141 Oct 28, 2014

geno3141 · Answer 1 · 2014-10-28T06:42:50

To find the number that completes the problem, ask yourself:

Is there a number that, when multiplied to -6, will result in -90? (-90 ÷ ? = -6)

Will this number, when add to -6, result in +9? (? + -6 = 9)

If you can find that number, you will have your answer.

Guest · Answer 2 · 2016-06-06T03:13:29

is the answer 6?