What is the standard form of a polynomial $(5h – 3)(3h + 7)$ ?

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Answer 1 · 2018-05-17T11:37:12

$-15h^2+26h-21$

The standard form for the polynomial $(ax+b)(cx+d)=acx^2+(ad+bc)x+bd$

$a=5$
$b=-3$
$c=3$
$d=7$

So, we get:
$(5h-3)(3h+7)=-3(5)h^2+(5(7)-3(3))h-3(7)$

$-15h^2+26h-21$

What is the standard form of a polynomial (5h – 3)(3h + 7) (5h – 3)(3h + 7) ?