Question

simplify. (i) (x^2-5)(x+5)+25. (ii) (t+s^2)(t^2-s).​

Answer 1

Step-by-step explanation:

(x2 - 5) |( x - 5) + 25 = x2 (x + 5) -5 ( x 5) + 25

= (x2 X x) + (x2 x 5) -( 5 X x) - (5 x 5) + 25

= x3 + 5x2 - 5x -25 + 25

= x3 + 5x2 - 5x

Answer 2

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