Question

Evaluate the following, using suitable property 98 x 100 + (-98) x 205

Answer 1

Answer:

98×102

=(100-2)(100+2)

(a+b)(a-b)=a^2-b^2 is suitable identity

100^2-2^2

10000-4

9996

Step-by-step explanation:

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Answer 2

98 ×100 + (-98)×205

-98 ×(100 +250)

-98 × 350

= -10,290