Question

2x²-3xy-5x²-7xy+8y²+10x²-15y²​

Answer 1

Answer:

step by step explanation:

$2x {}^{2} = 2 \times x \times x$

$3xy = 3 \times x \times y$

$- 5x {}^{2} - 5 \times x \times y$

$- 7xy = - 7 \times x \times y$

$8x {}^{2} = 8 \times x \times x$

$10x {}^{2} = 10 \times x \times x$

$- 15y {}^{2} = 15 \times y \times y$

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