Complete the following using identities
a) (224 x 176) - (226 x 174) b) 68² - 32²
c) 10.7 x 9.3
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Step-by-step explanation:
a) (224 × 176) - (226 × 174) = 39424-39324=100
b) 68^2 - 32^2= (68+32) (68-32) = 100 × 36 = 3600
c) 10.7 × 9.3 = 99.51
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