Question

${4x }^{2} - {17x}^{2} - {15y}^{2}$
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Answer 1

Answer:

$4x ^ { 2 } -17x ^ { 2 } -15x ^ { 2 }$

Step-by-step explanation:

$-13x^{2}-15x^{2}$

$-28x^{2}$