6 ( 10 x + 13 y + ( 4 z + 15 w ) - x ^ { 2 } - y ^ { 2 } - z ^ { 2 } - w ^ { 2 }
Evaluate
90w-6w^{2}+24z-6z^{2}+78y-6y^{2}+60x-6x^{2}
Expand
90w-6w^{2}+24z-6z^{2}+78y-6y^{2}+60x-6x^{2}
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60x+78y+24z+90w-6x^{2}-6y^{2}-6z^{2}-6w^{2}
Use the distributive property to multiply 6 by 10x+13y+4z+15w-x^{2}-y^{2}-z^{2}-w^{2}.
60x+78y+24z+90w-6x^{2}-6y^{2}-6z^{2}-6w^{2}
Use the distributive property to multiply 6 by 10x+13y+4z+15w-x^{2}-y^{2}-z^{2}-w^{2}.
Examples
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