Question

Show by applying the formula
that (a-5) and (a+8) is equal
to a²+3a-40.​ SOLVE THIS MATH NOW PLEASE ​

Answer 1

Answer:

this your answer

Step-by-step explanation:

(a-5)(a+8)

a²+8a-5a-40

a²+3a-40

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Answer 2

Question:-

Show that

$(a - 5)(a + 8) = {a}^{2} + 3a - 40$

Solution:-

See the photo

Used Formula:-

$(a - b)(a + c) = {a}^{2} - ab - ac + bc$