Question

subtract a²+3b² from -5b²+8c²​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

To subtract : $a^{2} + 3b^{2}$ from $-5b^{2} + 8c^{2}$

Solution :

• To subtract given algebraic expression , we subtract like terms together .

• Therefore, arranging given terms in correct order , we get ,

                    $( - 5b^{2} + 8c ) - ( a^{2} + 3 b^{2} )$  

• Removing parenthesis  and changing sign we  subtract given expressions.
• $-5b^{2} + 8c - a^{2} - 3b^{2}$

       $= -8b^{2} - a^{2} + 8c$

• Multiplying by negative sign .

       $= a^{2} + 8 b^{2} - 8c$

       $= a^{2} + 8(b^{2} - c )$

Hence , on subtracting  $a^{2} + 3b^{2}$ from $-5b^{2} + 8c^{2}$ we get $a^{2} + 8 ( b^{2} - c)$.