Question

15. Find the product using standard formula (a - 4)(a - 7)


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Answer 1

Answer:

(a-4)(a-7)

using identity X+a X+b= X^2 + (a+b)x + ab

here, x= a

a= (-4)

b= (-7)

(a)^2+(-4)(-7)a+ (-4)(-7)

a^2-11a+28

Answer 2

Step-by-step explanation:

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a²-11a+28 ANSWER ☺️☺️