Question

expand by using suitable identity( x+15) (x+20)​

Answer 1

Answer:

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Step-by-step explanation:

x(x + 20) + 15(x + 20)

x² + 20x + 15x + 300

x² 35x + 300

Answer 2

Answer:

x(x+15)+20(x+15)

x²+15x+20x+300

x²+35x+300

hope it helps ✨✨