Find the value of (-5m+ 6n) {}^{2} by using identies ​

Question

Find the value of (-5m+
6n) {}^{2}
by using identies ​

in progress 0
Aaliyah 1 month 2021-08-21T22:08:58+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-08-21T22:10:46+00:00

    Answer:

    ( - 5m + 6n {)}^{2}  \\ we \:  \: will \:  \: use \:  \: this \:  \: identity \\ (x + y {)}^{2}  =  {x}^{2}  +  {y}^{2}  + 2xy \\ ( - 5m + 6n {)}^{2}  = ( - 5m {)}^{2}  + (6n {)}^{2}  + 2 \times ( - 5m) \times (6n) \\  = 25 {m}^{2}  + 36 {n}^{2}  - 60mn \\ answer

    I hope it will help you

Leave an answer

Browse
Browse

18:9+8+9*3-7:3-1*13 = ? ( )