Question

multiply the binomials to a minus 9 and 3 + 4

Answer 1

The correct answer is "a = 9".

Step-by-step explanation:

$The \ given \ polynomials \ are:\\\\(a-9) \ and \ (3+4).i.e,(7)\\\\On \ applying \ multiplication,we \ get\\\\7(a-9)=0\\\\7a-63=0\\\\On \ adding \ "63" \ both \ sides,we get\\\\7a-63+63=63\\\\7a=63\\\\a=\frac{63}{7} \\\\a=9$

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