Question

(3-x²)(5+x²) solve by using identity

Answer 1

Step-by-step explanation:

(3-x^2)(5+x^2)

=3×5 + 3×x^2 - 5×x^2 - x^4......(Distributive property)

=15- 2x^2 - x^4

Answer 2

Step-by-step explanation:

3-×^2 5+×^2

3×5+3×^2-5 ×× ^ 2-×^4 distribute property

= 15 - 2 ×^2 -×^4

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