1.

Find the following products:-5a(7a-2b)

Answer»

-5a(7a – 2b)

= -5a × 7a – (-5a) × 2b

= -5 × 7 × a × a + 5 × 2 × a × b

= -35a2 + 10ab

Product of given Equation is=     -35a+ 10ab



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