Question

Use the formula to multiply the following:
(a+9) (a-6)

Answer 1

$\huge\mathbb{A~N~S~W~E~R}$
$<b>$

For this question we have to use identity.

$= (a + x)(a + y) \\ \\ = {a}^{2} + ay + ax + xy$

Here we hava a as 'a' and x is (+9) and y is (-6) .

$= (a + 9)(a + 6) \\ \\ = {a}^{2} + 6a + 9a + 45 \\ \\ = {a}^{2} + 15a + 45$

${\large\color{Red}{Answer~is~{a}^{2}+15a+45 }}$

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Answer 2

Answer:

Step-by-step explanation:

Your question is wrong either it should be (a-9) in place of (a-6) or in place of (a+9) it should be (a+6)