(21B) The Null Factor Law
Null Factor Law
Fill in the blanks.
6×◻=0
(−3)×◻=0
a×◻=0
◻×7=0
◻×(−5)=0
◻×b=0
Fill in the blank. If a×b=0, then a=◻ or b=◻ or both.
Fill in the blanks.
6×(◻−5)=0
(−3)(◻+4)=0
a×(◻−p)=0
(◻+9)×7=0
(◻−12)(−5)=0
(◻−q)×b=0
Solve for x. If there are multiple answers, separate them with commas.
Solving by Factorizing
Fully factorize. x2−3x+2=
Solve for x.x2−3x+2=0x=
Fully factorize. x2−49=
Solve for x.x2−49=0x=
Fully factorize. x2−8x+16=
Solve for x.x2−8x+16=0x=
Fully factorize. x2+8x=
Solve for x.x2+8x=0x=
Fully factorize. 3x2−3x−60=
Solve for x.3x2−3x−60=0x=
Fully factorize. −2x2−24x−72=
Solve for x.−2x2−24x−72=0x=
Solve for x. If there are multiple answers, separate them with commas.