10x3 + 3x2 – 20x – 6 (10x3 + 3x2) + (–20x – 6) x2(10x + 3) + + 3) teresa is factoring this polynomial by grouping. which number goes in the blank to complete the step?

Given expression : .

We need to factor it by grouping.

Teresa did first grouping it :

We get

We got another factor in shown factors (10x + 3) .

courtesan no naked yes

hope this ^_^

do you see a nakes