Algebra · Classes 7, 8, 9
Product Identity
Expand two linear factors.
FORMULA
\((x+a)(x+b)=x^2+(a+b)x+ab\)
Worked example
(x+2)(x+3)=x²+5x+6
Understand this formula
Expand two linear factors.
Check measurement units, mathematical domains and rounding before applying any result in an examination.