Question

4p²+5q²-6r²+7 from 3p²-4q²-5r²-6​

Answer 1

Step-by-step explanation:

ANSWER =

(4p²+5q²-6r²+7) - ( 3p²-4q²-5r²-6)

= p²+q²-r²+1

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Answer 2

Step-by-step explanation:

$3 {p}^{2} - 4 {q}^{2} - 5 {r}^{2} - 6 - (4 {p}^{2} + 5 {q}^{2} - 6 {r}^{2} + 7) \\ 3 {p}^{2} - 4 {q}^{2} - 5 {r}^{2} - 6 - 4 {p}^{2} - 5 {q}^{2} + 6 {r}^{2} - 7 \\ - {p}^{2} - 9 {q}^{2} + {r}^{2} - 13 \\ {r}^{2} - {p}^{2} - {q}^{2} - 13$

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