Respuesta :
Simplify (x+2) (x+10) - (x-5) (x+4).find the numerical value of this expression when x=-3.
- (x+2) (x+10) - (x-5) (x+4).
- put value of x= -3
- (-3+2) (-3+10) - (-3-5) (-3+4).
- -1 x 7 -(-8) x 1
- (-7) -(-8)
- -7+8
- 1
Answer:
the result is -9
Hope this helps
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