Question

expand the following :
a. 98 x 102.
b. (3x-2) (4x-3)

Answer 1

98*102

=100-2 * 100+2

apply formula

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

Answer 2

Answer:

9996 2. 2

Step-by-step explanation:

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