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Online Quiz (Worksheet A B C D)

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Grade 8 - Mathematics
7.27 Special Products: a3+b3 = (a+b)(a2-ab+b2

Formula : a3+b3 = (a+b)(a2-ab+b2)

Expand x3+27y3.
Using above formula, Let a3 = x3 and b3 = 27y3 in the above equation
a3+b3& = x3+27y3
= (x+3y)(x2-3xy+9y2)

Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: Expand 27x3+125y3.

Q 2: Expand x3+125y3.

Q 3: Expand x3+64y3.

Q 4: Expand x3+8y3.

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!

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