Question

please answer this question correctly

And l will make your answer brainlist​

Answer 1

ANSWER IS 6

BUT IN THE FINAL EXPRESSION THERE IS NO TERM OF x, THERE SHOULD BE z.

Answer 2

Answers with Step-by-step explanation:

the sum of the first two is= $2y^2-yx-2x^2$

the sum of the second three is= $y^2+5yx+x^2+2x$

the subtraction of these both is=$-3x^2-6xy+y^2-2x$

when evaluated with 1, the answer is= $-10$

i took z as x so that the equation is balanced