Functions (MCR3U) · Algebraic Expressions

Factoring Special Cases (Difference of Squares, Perfect Square Trinomials)

30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.

Start the 30 questions Curriculum: MCR3U-AE.4

Sample: the first question, solved

Factor x²−4.

📘 Worked solution
This is a difference of squares: x²−2² factors as (x−2)(x+2).

And one from the hard end

"Factor x⁴−16 completely (a difference of squares applied twice)."

Solution shown after you try it in practice mode.

Work through all 30, easiest to hardest

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