Question

answer this fast.....plzzzzzzzz.....Q.31.​

Answer 1

31. (x^2+8x-15) (x^2-8x-15)

now let us the arrange the equations properly,

={(x^2-15)+(8x) } {(x^2-15)-(8x)}

therefore , by the formula a2-b2 = (a+b)(a-b)

here a is (x^2- 15) and b = (8x)

= (x^2-15)^2 - (8x)^2 is the expression which u need to solve ( difference of two squares)

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