Question

find the product and verify the result by taking a=2,b=1,c=(-3).

1)= (6a-7b)²




please guys give me a proper explanation I am in a big confusion ​

Answer 1

||Required Response||

$(- 3){[6(2) - 7(1)]}^{2} \\ { ( - 3)(12 - 7) }^{2} \\ ( - 3)( {[12)}^{2} + {(7)}^{2} - 2(12)(7)] \\ ( - 3)(144 + 49 - 168) \\ ( - 3)(193 - 168) \\ ( - 3)(25) \\ - 75$

Required Value

• $\longmapsto\;\red{\bold{-75}}$

(a-b)² = a²+b²-2ab

$\tt{@MrMonarque}$

Hope It Helps You ✌️

Answer 2

Hope it helps you.

Thank you

arshimandal2011