Simplify:(a2 - b2)2 from Mathematics Algebraic Expressions and

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Algebraic Expressions and Identities

Short Answer Type

111.

Find the following squares by using the identities.

(xy + 3z)²

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112.

Find the following squares by using the identities.

(6x² - 5y)²

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113.

Find the following squares by using the identities.

$space space space space space space space space space space space open parentheses 2 over 3 straight m space plus space 3 over 2 straight n close parentheses squared$

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114.

Find the following squares by using the identities.

(0.4p - 0.5q)²

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115.

Find the following squares by using the identities.

(2xy + 5y)²

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116.
Simplify:

(a²- b²)²

(a²- b2)²(a²)²- 2a²x b²+ ((b²)²[Using (a - b)²= a²- 2ab + b²]
= a⁴- 2a²b²+ b⁴

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117.

Simplify:

(2x + 5)²- (2x - 5)²

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118.

Simplify:

(7m - 8n)²- (7m + 8n)²

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119.

Simplify:

(4m + 5n)²+ (5m + 4n)²

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120.

Simplify:

(2.5p - 1.5q)² - (1.5p - 2.5q)²

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