1.

Find the product of 1) -7a(-2b+3a) 2) -5×(4y-2z)

Answer» 1) -7a(-2b+3a)= -7a(-2b) -7a (3a)= 14 ab - 21 a22) -5×(4y-2z)= - 5 (4y) - 5 (-2z)= - 20 y + 10z


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