Math, asked by yog9sitha6ziharatit, 1 year ago

X 2 +x-72 using identity x 2 +qx+r

Answers

Answered by Anonymous
0
x² + x - 72

x² +9x -8x - 72

x(x +9) -8(x+ 9)

( x+9 ) (x-8)

∴ x= -9  and x = 8


hope it's help u


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