Question

$\green {\boxed{Quiz}}$
${x}^{2} + 5x - 50 = 0$
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Answer 1

x^2 + 5x - 50 =0
It implies that the equation can be written as,
x^2 -5x +10x - 50 = 0
x(x-5) + 10(x-5)=0
(x+10)(x-5)=0
Using zero product rule,
Either,
x+10=0
It implies x can be -10
Or,
x-5=0
It implies that x can also be 5