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# Factoring a Difference Between Two Squares Worksheet

## Instructions

Factor each expression as a difference between two squares. Enter exponents using the ^ symbol. For example, "five x squared" should be entered as "5x^2".

Enter an answer in each box, then click the "Check Worksheet" button at the bottom of the page to automatically check each answer.  You may also check your answers manually by referring to the Answer Sheet.

If you need assistance with a particular problem, click the " step-by-step" link for an in depth solution.

 S1 x2 + -1 step-by-step
 1 4x2 + -16 step-by-step
 2 -9 + j4 step-by-step
 3 16 + -1k2 step-by-step
 4 49 + -64x2 step-by-step
 5 25z4 + -1 step-by-step
 6 x2 + -1 step-by-step
 7 100y6 + -100 step-by-step
 8 81x2 + -25 step-by-step
 9 -4x4 + 4 step-by-step
 10 -100 + 4z2 step-by-step
 11 x2y2 + -4 step-by-step
 12 x4y2 + -4 step-by-step
 13 x2 + -1y2 step-by-step
 14 j2 + -1k4 step-by-step
 15 100c2 + -25d2 step-by-step
 16 36f2 + -49g2 step-by-step
 17 81k6l4m2 + -16 step-by-step
 18 x2 + -1z2 step-by-step
 19 x2y2 + -1w2z2 step-by-step
 20 x4 + -1y4 step-by-step

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