Trying to find the right answer to this..

(p 2 - q 2 ) x (2p + q) = p 2 (2p + q) - q 2 (2p + q) = (p 2 x 2p) + (p 2 x q) - (q 2 x 2p ) - (q 2 x q) = 2p 3 +p 2 q - 2pq 2 - q 3

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Algebraic Expressions and Identities

Short Answer Type

71.

Multiply the binomials

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72.

Find the4 product:

(5 - 2x)(3 + x)

73 Views

73.

Find the4 product:

(x + 7y)(7x - y)

280 Views

74.

(a²+ b) (a + b²)

78 Views

75.
Find the4 product:

(p² - q²)(2p + q)

(p² - q²) x (2p + q) = p²(2p + q) - q²(2p + q)

                           = (p²x 2p) + (p²x q) - (q²x ^2p) - (q²x q)

                           = 2p³+p²q - 2pq² - q³