Rewrite the middle term as the sum of two terms and then factor completely.
x2 + 19x + 90
Factor completely. ax – ay + x2 – xy
Rewrite the middle term as the sum of two terms and then factor by grouping.
x2 + 4x – 12
Complete the following statement. 6a2 – 5a + 1 = (3a – 1)( )
I will be happy to critique your thinking on this.